Home / 131,542.49-197,387.73-71,575.29

Finding the Fourth Proportional to 131,542.49, 197,387.73 and 71,575.29

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Solution

The fourth proportional to 131,542.49, 197,387.73 and 71,575.29 is: 107,403.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,542.49 : 197,387.73 = 71,575.29 : x
  2. Step 2: Convert to fraction form
    131,542.49/197,387.73 = 71,575.29/x
  3. Step 3: Cross multiply
    131,542.49x = 197,387.73 × 71,575.29
  4. Step 4: Simplify right side
    131,542.49x = 14,128,084,017.19
  5. Step 5: Solve for x
    x = 14,128,084,017.19/131,542.49
  6. Step 6: Final answer
    x = 107,403.20

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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.