Home / 149,000.80-223,209.60-89,660.20

Finding the Fourth Proportional to 149,000.80, 223,209.60 and 89,660.20

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Solution

The fourth proportional to 149,000.80, 223,209.60 and 89,660.20 is: 134,314.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,000.80 : 223,209.60 = 89,660.20 : x
  2. Step 2: Convert to fraction form
    149,000.80/223,209.60 = 89,660.20/x
  3. Step 3: Cross multiply
    149,000.80x = 223,209.60 × 89,660.20
  4. Step 4: Simplify right side
    149,000.80x = 20,013,017,377.92
  5. Step 5: Solve for x
    x = 20,013,017,377.92/149,000.80
  6. Step 6: Final answer
    x = 134,314.83

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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.