Home / 108,219.20-149,339.68-60,472.80

Finding the Fourth Proportional to 108,219.20, 149,339.68 and 60,472.80

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Solution

The fourth proportional to 108,219.20, 149,339.68 and 60,472.80 is: 83,450.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,219.20 : 149,339.68 = 60,472.80 : x
  2. Step 2: Convert to fraction form
    108,219.20/149,339.68 = 60,472.80/x
  3. Step 3: Cross multiply
    108,219.20x = 149,339.68 × 60,472.80
  4. Step 4: Simplify right side
    108,219.20x = 9,030,988,600.70
  5. Step 5: Solve for x
    x = 9,030,988,600.70/108,219.20
  6. Step 6: Final answer
    x = 83,450.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.