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Finding the Fourth Proportional to 178,575.30, 267,742.80 and 94,246.20

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Solution

The fourth proportional to 178,575.30, 267,742.80 and 94,246.20 is: 141,305.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,575.30 : 267,742.80 = 94,246.20 : x
  2. Step 2: Convert to fraction form
    178,575.30/267,742.80 = 94,246.20/x
  3. Step 3: Cross multiply
    178,575.30x = 267,742.80 × 94,246.20
  4. Step 4: Simplify right side
    178,575.30x = 25,233,741,477.36
  5. Step 5: Solve for x
    x = 25,233,741,477.36/178,575.30
  6. Step 6: Final answer
    x = 141,305.89

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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.