Home / 252,119.18-347,919.82-137,398.74

Finding the Fourth Proportional to 252,119.18, 347,919.82 and 137,398.74

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Solution

The fourth proportional to 252,119.18, 347,919.82 and 137,398.74 is: 189,607.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,119.18 : 347,919.82 = 137,398.74 : x
  2. Step 2: Convert to fraction form
    252,119.18/347,919.82 = 137,398.74/x
  3. Step 3: Cross multiply
    252,119.18x = 347,919.82 × 137,398.74
  4. Step 4: Simplify right side
    252,119.18x = 47,803,744,545.53
  5. Step 5: Solve for x
    x = 47,803,744,545.53/252,119.18
  6. Step 6: Final answer
    x = 189,607.73

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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.