Home / 131,773.20-181,847.13-71,343.90

Finding the Fourth Proportional to 131,773.20, 181,847.13 and 71,343.90

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Solution

The fourth proportional to 131,773.20, 181,847.13 and 71,343.90 is: 98,454.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,773.20 : 181,847.13 = 71,343.90 : x
  2. Step 2: Convert to fraction form
    131,773.20/181,847.13 = 71,343.90/x
  3. Step 3: Cross multiply
    131,773.20x = 181,847.13 × 71,343.90
  4. Step 4: Simplify right side
    131,773.20x = 12,973,683,458.01
  5. Step 5: Solve for x
    x = 12,973,683,458.01/131,773.20
  6. Step 6: Final answer
    x = 98,454.64

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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.