Home / 137,853.74-206,781.70-75,490.22

Finding the Fourth Proportional to 137,853.74, 206,781.70 and 75,490.22

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Solution

The fourth proportional to 137,853.74, 206,781.70 and 75,490.22 is: 113,235.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,853.74 : 206,781.70 = 75,490.22 : x
  2. Step 2: Convert to fraction form
    137,853.74/206,781.70 = 75,490.22/x
  3. Step 3: Cross multiply
    137,853.74x = 206,781.70 × 75,490.22
  4. Step 4: Simplify right side
    137,853.74x = 15,609,996,024.97
  5. Step 5: Solve for x
    x = 15,609,996,024.97/137,853.74
  6. Step 6: Final answer
    x = 113,235.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.