Home / 153,052.32-229,734-108,729.12

Finding the Fourth Proportional to 153,052.32, 229,734 and 108,729.12

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Solution

The fourth proportional to 153,052.32, 229,734 and 108,729.12 is: 163,204.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,052.32 : 229,734 = 108,729.12 : x
  2. Step 2: Convert to fraction form
    153,052.32/229,734 = 108,729.12/x
  3. Step 3: Cross multiply
    153,052.32x = 229,734 × 108,729.12
  4. Step 4: Simplify right side
    153,052.32x = 24,978,775,654.08
  5. Step 5: Solve for x
    x = 24,978,775,654.08/153,052.32
  6. Step 6: Final answer
    x = 163,204.16

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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.