Home / 134,876.70-202,315.05-85,013.10

Finding the Fourth Proportional to 134,876.70, 202,315.05 and 85,013.10

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Solution

The fourth proportional to 134,876.70, 202,315.05 and 85,013.10 is: 127,519.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,876.70 : 202,315.05 = 85,013.10 : x
  2. Step 2: Convert to fraction form
    134,876.70/202,315.05 = 85,013.10/x
  3. Step 3: Cross multiply
    134,876.70x = 202,315.05 × 85,013.10
  4. Step 4: Simplify right side
    134,876.70x = 17,199,429,577.16
  5. Step 5: Solve for x
    x = 17,199,429,577.16/134,876.70
  6. Step 6: Final answer
    x = 127,519.65

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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.