Home / 147,348.20-220,981.84-40,706.68

Finding the Fourth Proportional to 147,348.20, 220,981.84 and 40,706.68

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Solution

The fourth proportional to 147,348.20, 220,981.84 and 40,706.68 is: 61,048.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,348.20 : 220,981.84 = 40,706.68 : x
  2. Step 2: Convert to fraction form
    147,348.20/220,981.84 = 40,706.68/x
  3. Step 3: Cross multiply
    147,348.20x = 220,981.84 × 40,706.68
  4. Step 4: Simplify right side
    147,348.20x = 8,995,437,046.69
  5. Step 5: Solve for x
    x = 8,995,437,046.69/147,348.20
  6. Step 6: Final answer
    x = 61,048.84

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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.