Home / 102,371.76-141,273.17-57,048.75

Finding the Fourth Proportional to 102,371.76, 141,273.17 and 57,048.75

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Solution

The fourth proportional to 102,371.76, 141,273.17 and 57,048.75 is: 78,727.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,371.76 : 141,273.17 = 57,048.75 : x
  2. Step 2: Convert to fraction form
    102,371.76/141,273.17 = 57,048.75/x
  3. Step 3: Cross multiply
    102,371.76x = 141,273.17 × 57,048.75
  4. Step 4: Simplify right side
    102,371.76x = 8,059,457,471.79
  5. Step 5: Solve for x
    x = 8,059,457,471.79/102,371.76
  6. Step 6: Final answer
    x = 78,727.35

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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.