Home / 178,021.20-267,204.60-89,374.80

Finding the Fourth Proportional to 178,021.20, 267,204.60 and 89,374.80

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Solution

The fourth proportional to 178,021.20, 267,204.60 and 89,374.80 is: 134,148.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,021.20 : 267,204.60 = 89,374.80 : x
  2. Step 2: Convert to fraction form
    178,021.20/267,204.60 = 89,374.80/x
  3. Step 3: Cross multiply
    178,021.20x = 267,204.60 × 89,374.80
  4. Step 4: Simplify right side
    178,021.20x = 23,881,357,684.08
  5. Step 5: Solve for x
    x = 23,881,357,684.08/178,021.20
  6. Step 6: Final answer
    x = 134,148.95

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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.