Home / 134,864.70-202,297.05-85,001.10

Finding the Fourth Proportional to 134,864.70, 202,297.05 and 85,001.10

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Solution

The fourth proportional to 134,864.70, 202,297.05 and 85,001.10 is: 127,501.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,864.70 : 202,297.05 = 85,001.10 : x
  2. Step 2: Convert to fraction form
    134,864.70/202,297.05 = 85,001.10/x
  3. Step 3: Cross multiply
    134,864.70x = 202,297.05 × 85,001.10
  4. Step 4: Simplify right side
    134,864.70x = 17,195,471,776.76
  5. Step 5: Solve for x
    x = 17,195,471,776.76/134,864.70
  6. Step 6: Final answer
    x = 127,501.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.