Home / 178,591.90-267,887.85-139,178.50

Finding the Fourth Proportional to 178,591.90, 267,887.85 and 139,178.50

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Solution

The fourth proportional to 178,591.90, 267,887.85 and 139,178.50 is: 208,767.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,591.90 : 267,887.85 = 139,178.50 : x
  2. Step 2: Convert to fraction form
    178,591.90/267,887.85 = 139,178.50/x
  3. Step 3: Cross multiply
    178,591.90x = 267,887.85 × 139,178.50
  4. Step 4: Simplify right side
    178,591.90x = 37,284,229,131.23
  5. Step 5: Solve for x
    x = 37,284,229,131.23/178,591.90
  6. Step 6: Final answer
    x = 208,767.75

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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.