Home / 119,916.27-165,480.11-66,200.13

Finding the Fourth Proportional to 119,916.27, 165,480.11 and 66,200.13

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Solution

The fourth proportional to 119,916.27, 165,480.11 and 66,200.13 is: 91,353.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,916.27 : 165,480.11 = 66,200.13 : x
  2. Step 2: Convert to fraction form
    119,916.27/165,480.11 = 66,200.13/x
  3. Step 3: Cross multiply
    119,916.27x = 165,480.11 × 66,200.13
  4. Step 4: Simplify right side
    119,916.27x = 10,954,804,463.41
  5. Step 5: Solve for x
    x = 10,954,804,463.41/119,916.27
  6. Step 6: Final answer
    x = 91,353.78

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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.