Home / 149,000.31-223,719.17-93,078.72

Finding the Fourth Proportional to 149,000.31, 223,719.17 and 93,078.72

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Solution

The fourth proportional to 149,000.31, 223,719.17 and 93,078.72 is: 139,754.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,000.31 : 223,719.17 = 93,078.72 : x
  2. Step 2: Convert to fraction form
    149,000.31/223,719.17 = 93,078.72/x
  3. Step 3: Cross multiply
    149,000.31x = 223,719.17 × 93,078.72
  4. Step 4: Simplify right side
    149,000.31x = 20,823,493,517.67
  5. Step 5: Solve for x
    x = 20,823,493,517.67/149,000.31
  6. Step 6: Final answer
    x = 139,754.70

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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.