Home / 252,079.61-347,865.35-137,359.25

Finding the Fourth Proportional to 252,079.61, 347,865.35 and 137,359.25

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Solution

The fourth proportional to 252,079.61, 347,865.35 and 137,359.25 is: 189,553.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,079.61 : 347,865.35 = 137,359.25 : x
  2. Step 2: Convert to fraction form
    252,079.61/347,865.35 = 137,359.25/x
  3. Step 3: Cross multiply
    252,079.61x = 347,865.35 × 137,359.25
  4. Step 4: Simplify right side
    252,079.61x = 47,782,522,890.19
  5. Step 5: Solve for x
    x = 47,782,522,890.19/252,079.61
  6. Step 6: Final answer
    x = 189,553.30

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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.