Home / 131,695.01-181,739.60-71,265.65

Finding the Fourth Proportional to 131,695.01, 181,739.60 and 71,265.65

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Solution

The fourth proportional to 131,695.01, 181,739.60 and 71,265.65 is: 98,346.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,695.01 : 181,739.60 = 71,265.65 : x
  2. Step 2: Convert to fraction form
    131,695.01/181,739.60 = 71,265.65/x
  3. Step 3: Cross multiply
    131,695.01x = 181,739.60 × 71,265.65
  4. Step 4: Simplify right side
    131,695.01x = 12,951,790,368.41
  5. Step 5: Solve for x
    x = 12,951,790,368.41/131,695.01
  6. Step 6: Final answer
    x = 98,346.86

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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.