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Finding the Fourth Proportional to 131,773.54, 181,847.61 and 71,344.23

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Solution

The fourth proportional to 131,773.54, 181,847.61 and 71,344.23 is: 98,455.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,773.54 : 181,847.61 = 71,344.23 : x
  2. Step 2: Convert to fraction form
    131,773.54/181,847.61 = 71,344.23/x
  3. Step 3: Cross multiply
    131,773.54x = 181,847.61 × 71,344.23
  4. Step 4: Simplify right side
    131,773.54x = 12,973,777,712.79
  5. Step 5: Solve for x
    x = 12,973,777,712.79/131,773.54
  6. Step 6: Final answer
    x = 98,455.10

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1.5x scale

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.