Home / 173,399.10-260,098.65-90,282.30

Finding the Fourth Proportional to 173,399.10, 260,098.65 and 90,282.30

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Solution

The fourth proportional to 173,399.10, 260,098.65 and 90,282.30 is: 135,423.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,399.10 : 260,098.65 = 90,282.30 : x
  2. Step 2: Convert to fraction form
    173,399.10/260,098.65 = 90,282.30/x
  3. Step 3: Cross multiply
    173,399.10x = 260,098.65 × 90,282.30
  4. Step 4: Simplify right side
    173,399.10x = 23,482,304,348.90
  5. Step 5: Solve for x
    x = 23,482,304,348.90/173,399.10
  6. Step 6: Final answer
    x = 135,423.45

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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.