Home / 148,961.40-223,442.10-55,447.80

Finding the Fourth Proportional to 148,961.40, 223,442.10 and 55,447.80

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Solution

The fourth proportional to 148,961.40, 223,442.10 and 55,447.80 is: 83,171.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,961.40 : 223,442.10 = 55,447.80 : x
  2. Step 2: Convert to fraction form
    148,961.40/223,442.10 = 55,447.80/x
  3. Step 3: Cross multiply
    148,961.40x = 223,442.10 × 55,447.80
  4. Step 4: Simplify right side
    148,961.40x = 12,389,372,872.38
  5. Step 5: Solve for x
    x = 12,389,372,872.38/148,961.40
  6. Step 6: Final answer
    x = 83,171.70

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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.