Home / 153,447.20-229,522.80-137,765.60

Finding the Fourth Proportional to 153,447.20, 229,522.80 and 137,765.60

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Solution

The fourth proportional to 153,447.20, 229,522.80 and 137,765.60 is: 206,066.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,447.20 : 229,522.80 = 137,765.60 : x
  2. Step 2: Convert to fraction form
    153,447.20/229,522.80 = 137,765.60/x
  3. Step 3: Cross multiply
    153,447.20x = 229,522.80 × 137,765.60
  4. Step 4: Simplify right side
    153,447.20x = 31,620,346,255.68
  5. Step 5: Solve for x
    x = 31,620,346,255.68/153,447.20
  6. Step 6: Final answer
    x = 206,066.62

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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.