Home / 102,760.07-141,809.87-60,319.31

Finding the Fourth Proportional to 102,760.07, 141,809.87 and 60,319.31

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Solution

The fourth proportional to 102,760.07, 141,809.87 and 60,319.31 is: 83,241.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,760.07 : 141,809.87 = 60,319.31 : x
  2. Step 2: Convert to fraction form
    102,760.07/141,809.87 = 60,319.31/x
  3. Step 3: Cross multiply
    102,760.07x = 141,809.87 × 60,319.31
  4. Step 4: Simplify right side
    102,760.07x = 8,553,872,951.34
  5. Step 5: Solve for x
    x = 8,553,872,951.34/102,760.07
  6. Step 6: Final answer
    x = 83,241.22

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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.