Home / 153,023.30-229,425.60-68,714.45

Finding the Fourth Proportional to 153,023.30, 229,425.60 and 68,714.45

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Solution

The fourth proportional to 153,023.30, 229,425.60 and 68,714.45 is: 103,022.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,023.30 : 229,425.60 = 68,714.45 : x
  2. Step 2: Convert to fraction form
    153,023.30/229,425.60 = 68,714.45/x
  3. Step 3: Cross multiply
    153,023.30x = 229,425.60 × 68,714.45
  4. Step 4: Simplify right side
    153,023.30x = 15,764,853,919.92
  5. Step 5: Solve for x
    x = 15,764,853,919.92/153,023.30
  6. Step 6: Final answer
    x = 103,022.57

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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.