Home / 131,695.52-181,740.29-71,266.15

Finding the Fourth Proportional to 131,695.52, 181,740.29 and 71,266.15

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Solution

The fourth proportional to 131,695.52, 181,740.29 and 71,266.15 is: 98,347.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,695.52 : 181,740.29 = 71,266.15 : x
  2. Step 2: Convert to fraction form
    131,695.52/181,740.29 = 71,266.15/x
  3. Step 3: Cross multiply
    131,695.52x = 181,740.29 × 71,266.15
  4. Step 4: Simplify right side
    131,695.52x = 12,951,930,411.85
  5. Step 5: Solve for x
    x = 12,951,930,411.85/131,695.52
  6. Step 6: Final answer
    x = 98,347.54

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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.