Home / 131,874.23-181,986.17-71,446.50

Finding the Fourth Proportional to 131,874.23, 181,986.17 and 71,446.50

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Solution

The fourth proportional to 131,874.23, 181,986.17 and 71,446.50 is: 98,596.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,874.23 : 181,986.17 = 71,446.50 : x
  2. Step 2: Convert to fraction form
    131,874.23/181,986.17 = 71,446.50/x
  3. Step 3: Cross multiply
    131,874.23x = 181,986.17 × 71,446.50
  4. Step 4: Simplify right side
    131,874.23x = 13,002,274,537.67
  5. Step 5: Solve for x
    x = 13,002,274,537.67/131,874.23
  6. Step 6: Final answer
    x = 98,596.02

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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.