Home / 252,122.90-347,923.18-137,404.49

Finding the Fourth Proportional to 252,122.90, 347,923.18 and 137,404.49

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Solution

The fourth proportional to 252,122.90, 347,923.18 and 137,404.49 is: 189,614.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,122.90 : 347,923.18 = 137,404.49 : x
  2. Step 2: Convert to fraction form
    252,122.90/347,923.18 = 137,404.49/x
  3. Step 3: Cross multiply
    252,122.90x = 347,923.18 × 137,404.49
  4. Step 4: Simplify right side
    252,122.90x = 47,806,205,539.22
  5. Step 5: Solve for x
    x = 47,806,205,539.22/252,122.90
  6. Step 6: Final answer
    x = 189,614.69

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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.