Home / 153,213.12-229,829.40-74,306.16

Finding the Fourth Proportional to 153,213.12, 229,829.40 and 74,306.16

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Solution

The fourth proportional to 153,213.12, 229,829.40 and 74,306.16 is: 111,463.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,213.12 : 229,829.40 = 74,306.16 : x
  2. Step 2: Convert to fraction form
    153,213.12/229,829.40 = 74,306.16/x
  3. Step 3: Cross multiply
    153,213.12x = 229,829.40 × 74,306.16
  4. Step 4: Simplify right side
    153,213.12x = 17,077,740,169.10
  5. Step 5: Solve for x
    x = 17,077,740,169.10/153,213.12
  6. Step 6: Final answer
    x = 111,463.95

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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.