Home / 148,001.40-222,002.10-54,487.80

Finding the Fourth Proportional to 148,001.40, 222,002.10 and 54,487.80

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Solution

The fourth proportional to 148,001.40, 222,002.10 and 54,487.80 is: 81,731.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,001.40 : 222,002.10 = 54,487.80 : x
  2. Step 2: Convert to fraction form
    148,001.40/222,002.10 = 54,487.80/x
  3. Step 3: Cross multiply
    148,001.40x = 222,002.10 × 54,487.80
  4. Step 4: Simplify right side
    148,001.40x = 12,096,406,024.38
  5. Step 5: Solve for x
    x = 12,096,406,024.38/148,001.40
  6. Step 6: Final answer
    x = 81,731.70

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1.5x scale

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.