Home / 234,719.12-323,909.55-127,287.88

Finding the Fourth Proportional to 234,719.12, 323,909.55 and 127,287.88

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Solution

The fourth proportional to 234,719.12, 323,909.55 and 127,287.88 is: 175,655.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,719.12 : 323,909.55 = 127,287.88 : x
  2. Step 2: Convert to fraction form
    234,719.12/323,909.55 = 127,287.88/x
  3. Step 3: Cross multiply
    234,719.12x = 323,909.55 × 127,287.88
  4. Step 4: Simplify right side
    234,719.12x = 41,229,759,931.25
  5. Step 5: Solve for x
    x = 41,229,759,931.25/234,719.12
  6. Step 6: Final answer
    x = 175,655.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.