Home / 136,864.35-187,501.03-131,747.31

Finding the Fourth Proportional to 136,864.35, 187,501.03 and 131,747.31

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Solution

The fourth proportional to 136,864.35, 187,501.03 and 131,747.31 is: 180,490.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,864.35 : 187,501.03 = 131,747.31 : x
  2. Step 2: Convert to fraction form
    136,864.35/187,501.03 = 131,747.31/x
  3. Step 3: Cross multiply
    136,864.35x = 187,501.03 × 131,747.31
  4. Step 4: Simplify right side
    136,864.35x = 24,702,755,387.22
  5. Step 5: Solve for x
    x = 24,702,755,387.22/136,864.35
  6. Step 6: Final answer
    x = 180,490.80

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.