Home / 145,002.80-217,504.20-132,561.20

Finding the Fourth Proportional to 145,002.80, 217,504.20 and 132,561.20

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Solution

The fourth proportional to 145,002.80, 217,504.20 and 132,561.20 is: 198,841.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,002.80 : 217,504.20 = 132,561.20 : x
  2. Step 2: Convert to fraction form
    145,002.80/217,504.20 = 132,561.20/x
  3. Step 3: Cross multiply
    145,002.80x = 217,504.20 × 132,561.20
  4. Step 4: Simplify right side
    145,002.80x = 28,832,617,757.04
  5. Step 5: Solve for x
    x = 28,832,617,757.04/145,002.80
  6. Step 6: Final answer
    x = 198,841.80

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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.