Home / 173,391.20-260,034.96-90,239.84

Finding the Fourth Proportional to 173,391.20, 260,034.96 and 90,239.84

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Solution

The fourth proportional to 173,391.20, 260,034.96 and 90,239.84 is: 135,332.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,391.20 : 260,034.96 = 90,239.84 : x
  2. Step 2: Convert to fraction form
    173,391.20/260,034.96 = 90,239.84/x
  3. Step 3: Cross multiply
    173,391.20x = 260,034.96 × 90,239.84
  4. Step 4: Simplify right side
    173,391.20x = 23,465,513,184.81
  5. Step 5: Solve for x
    x = 23,465,513,184.81/173,391.20
  6. Step 6: Final answer
    x = 135,332.78

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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.