Home / 178,165.71-267,215.15-89,395.38

Finding the Fourth Proportional to 178,165.71, 267,215.15 and 89,395.38

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Solution

The fourth proportional to 178,165.71, 267,215.15 and 89,395.38 is: 134,076.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,165.71 : 267,215.15 = 89,395.38 : x
  2. Step 2: Convert to fraction form
    178,165.71/267,215.15 = 89,395.38/x
  3. Step 3: Cross multiply
    178,165.71x = 267,215.15 × 89,395.38
  4. Step 4: Simplify right side
    178,165.71x = 23,887,800,099.50
  5. Step 5: Solve for x
    x = 23,887,800,099.50/178,165.71
  6. Step 6: Final answer
    x = 134,076.31

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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.