Home / 178,178.20-267,267.30-166,427.80

Finding the Fourth Proportional to 178,178.20, 267,267.30 and 166,427.80

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Solution

The fourth proportional to 178,178.20, 267,267.30 and 166,427.80 is: 249,641.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,178.20 : 267,267.30 = 166,427.80 : x
  2. Step 2: Convert to fraction form
    178,178.20/267,267.30 = 166,427.80/x
  3. Step 3: Cross multiply
    178,178.20x = 267,267.30 × 166,427.80
  4. Step 4: Simplify right side
    178,178.20x = 44,480,708,750.94
  5. Step 5: Solve for x
    x = 44,480,708,750.94/178,178.20
  6. Step 6: Final answer
    x = 249,641.70

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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.