Home / 131,517.27-181,495.18-71,089.09

Finding the Fourth Proportional to 131,517.27, 181,495.18 and 71,089.09

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Solution

The fourth proportional to 131,517.27, 181,495.18 and 71,089.09 is: 98,103.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,517.27 : 181,495.18 = 71,089.09 : x
  2. Step 2: Convert to fraction form
    131,517.27/181,495.18 = 71,089.09/x
  3. Step 3: Cross multiply
    131,517.27x = 181,495.18 × 71,089.09
  4. Step 4: Simplify right side
    131,517.27x = 12,902,327,841.62
  5. Step 5: Solve for x
    x = 12,902,327,841.62/131,517.27
  6. Step 6: Final answer
    x = 98,103.68

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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.