Home / 153,442.20-229,515.30-137,760.60

Finding the Fourth Proportional to 153,442.20, 229,515.30 and 137,760.60

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Solution

The fourth proportional to 153,442.20, 229,515.30 and 137,760.60 is: 206,059.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,442.20 : 229,515.30 = 137,760.60 : x
  2. Step 2: Convert to fraction form
    153,442.20/229,515.30 = 137,760.60/x
  3. Step 3: Cross multiply
    153,442.20x = 229,515.30 × 137,760.60
  4. Step 4: Simplify right side
    153,442.20x = 31,618,165,437.18
  5. Step 5: Solve for x
    x = 31,618,165,437.18/153,442.20
  6. Step 6: Final answer
    x = 206,059.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.