Home / 252,119.78-347,925.39-137,398.46

Finding the Fourth Proportional to 252,119.78, 347,925.39 and 137,398.46

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Solution

The fourth proportional to 252,119.78, 347,925.39 and 137,398.46 is: 189,609.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,119.78 : 347,925.39 = 137,398.46 : x
  2. Step 2: Convert to fraction form
    252,119.78/347,925.39 = 137,398.46/x
  3. Step 3: Cross multiply
    252,119.78x = 347,925.39 × 137,398.46
  4. Step 4: Simplify right side
    252,119.78x = 47,804,412,780.90
  5. Step 5: Solve for x
    x = 47,804,412,780.90/252,119.78
  6. Step 6: Final answer
    x = 189,609.93

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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.