Home / 252,120.28-347,926.06-137,398.96

Finding the Fourth Proportional to 252,120.28, 347,926.06 and 137,398.96

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Solution

The fourth proportional to 252,120.28, 347,926.06 and 137,398.96 is: 189,610.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,120.28 : 347,926.06 = 137,398.96 : x
  2. Step 2: Convert to fraction form
    252,120.28/347,926.06 = 137,398.96/x
  3. Step 3: Cross multiply
    252,120.28x = 347,926.06 × 137,398.96
  4. Step 4: Simplify right side
    252,120.28x = 47,804,678,800.90
  5. Step 5: Solve for x
    x = 47,804,678,800.90/252,120.28
  6. Step 6: Final answer
    x = 189,610.60

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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.