Home / 148,024.20-221,987.70-54,517.80

Finding the Fourth Proportional to 148,024.20, 221,987.70 and 54,517.80

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Solution

The fourth proportional to 148,024.20, 221,987.70 and 54,517.80 is: 81,758.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,024.20 : 221,987.70 = 54,517.80 : x
  2. Step 2: Convert to fraction form
    148,024.20/221,987.70 = 54,517.80/x
  3. Step 3: Cross multiply
    148,024.20x = 221,987.70 × 54,517.80
  4. Step 4: Simplify right side
    148,024.20x = 12,102,281,031.06
  5. Step 5: Solve for x
    x = 12,102,281,031.06/148,024.20
  6. Step 6: Final answer
    x = 81,758.80

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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.