Home / 252,159.20-347,977.48-137,437.85

Finding the Fourth Proportional to 252,159.20, 347,977.48 and 137,437.85

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Solution

The fourth proportional to 252,159.20, 347,977.48 and 137,437.85 is: 189,663.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,159.20 : 347,977.48 = 137,437.85 : x
  2. Step 2: Convert to fraction form
    252,159.20/347,977.48 = 137,437.85/x
  3. Step 3: Cross multiply
    252,159.20x = 347,977.48 × 137,437.85
  4. Step 4: Simplify right side
    252,159.20x = 47,825,275,139.75
  5. Step 5: Solve for x
    x = 47,825,275,139.75/252,159.20
  6. Step 6: Final answer
    x = 189,663.02

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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.