Home / 119,844.68-165,385.53-66,129.71

Finding the Fourth Proportional to 119,844.68, 165,385.53 and 66,129.71

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Solution

The fourth proportional to 119,844.68, 165,385.53 and 66,129.71 is: 91,258.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,844.68 : 165,385.53 = 66,129.71 : x
  2. Step 2: Convert to fraction form
    119,844.68/165,385.53 = 66,129.71/x
  3. Step 3: Cross multiply
    119,844.68x = 165,385.53 × 66,129.71
  4. Step 4: Simplify right side
    119,844.68x = 10,936,896,310.17
  5. Step 5: Solve for x
    x = 10,936,896,310.17/119,844.68
  6. Step 6: Final answer
    x = 91,258.93

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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.