Home / 178,431.28-267,979.62-157,091.56

Finding the Fourth Proportional to 178,431.28, 267,979.62 and 157,091.56

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Solution

The fourth proportional to 178,431.28, 267,979.62 and 157,091.56 is: 235,930.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,431.28 : 267,979.62 = 157,091.56 : x
  2. Step 2: Convert to fraction form
    178,431.28/267,979.62 = 157,091.56/x
  3. Step 3: Cross multiply
    178,431.28x = 267,979.62 × 157,091.56
  4. Step 4: Simplify right side
    178,431.28x = 42,097,336,554.01
  5. Step 5: Solve for x
    x = 42,097,336,554.01/178,431.28
  6. Step 6: Final answer
    x = 235,930.25

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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.