Home / 178,387.74-267,547.55-89,616.60

Finding the Fourth Proportional to 178,387.74, 267,547.55 and 89,616.60

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Solution

The fourth proportional to 178,387.74, 267,547.55 and 89,616.60 is: 134,407.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,387.74 : 267,547.55 = 89,616.60 : x
  2. Step 2: Convert to fraction form
    178,387.74/267,547.55 = 89,616.60/x
  3. Step 3: Cross multiply
    178,387.74x = 267,547.55 × 89,616.60
  4. Step 4: Simplify right side
    178,387.74x = 23,976,701,321.25
  5. Step 5: Solve for x
    x = 23,976,701,321.25/178,387.74
  6. Step 6: Final answer
    x = 134,407.79

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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.