Home / 174,345.28-261,517.92-121,857.28

Finding the Fourth Proportional to 174,345.28, 261,517.92 and 121,857.28

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Solution

The fourth proportional to 174,345.28, 261,517.92 and 121,857.28 is: 182,785.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,345.28 : 261,517.92 = 121,857.28 : x
  2. Step 2: Convert to fraction form
    174,345.28/261,517.92 = 121,857.28/x
  3. Step 3: Cross multiply
    174,345.28x = 261,517.92 × 121,857.28
  4. Step 4: Simplify right side
    174,345.28x = 31,867,862,402.46
  5. Step 5: Solve for x
    x = 31,867,862,402.46/174,345.28
  6. Step 6: Final answer
    x = 182,785.92

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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.