Home / 117,001.23-161,461.25-63,286.18

Finding the Fourth Proportional to 117,001.23, 161,461.25 and 63,286.18

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Solution

The fourth proportional to 117,001.23, 161,461.25 and 63,286.18 is: 87,334.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,001.23 : 161,461.25 = 63,286.18 : x
  2. Step 2: Convert to fraction form
    117,001.23/161,461.25 = 63,286.18/x
  3. Step 3: Cross multiply
    117,001.23x = 161,461.25 × 63,286.18
  4. Step 4: Simplify right side
    117,001.23x = 10,218,265,247.76
  5. Step 5: Solve for x
    x = 10,218,265,247.76/117,001.23
  6. Step 6: Final answer
    x = 87,334.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.