Home / 131,874.09-181,986.02-71,446.27

Finding the Fourth Proportional to 131,874.09, 181,986.02 and 71,446.27

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Solution

The fourth proportional to 131,874.09, 181,986.02 and 71,446.27 is: 98,595.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,874.09 : 181,986.02 = 71,446.27 : x
  2. Step 2: Convert to fraction form
    131,874.09/181,986.02 = 71,446.27/x
  3. Step 3: Cross multiply
    131,874.09x = 181,986.02 × 71,446.27
  4. Step 4: Simplify right side
    131,874.09x = 13,002,221,053.98
  5. Step 5: Solve for x
    x = 13,002,221,053.98/131,874.09
  6. Step 6: Final answer
    x = 98,595.73

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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.