Home / 137,167.29-205,564.08-66,084.81

Finding the Fourth Proportional to 137,167.29, 205,564.08 and 66,084.81

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Solution

The fourth proportional to 137,167.29, 205,564.08 and 66,084.81 is: 99,037.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,167.29 : 205,564.08 = 66,084.81 : x
  2. Step 2: Convert to fraction form
    137,167.29/205,564.08 = 66,084.81/x
  3. Step 3: Cross multiply
    137,167.29x = 205,564.08 × 66,084.81
  4. Step 4: Simplify right side
    137,167.29x = 13,584,663,169.62
  5. Step 5: Solve for x
    x = 13,584,663,169.62/137,167.29
  6. Step 6: Final answer
    x = 99,037.19

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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.