Home / 150,963.38-208,340.34-90,532.92

Finding the Fourth Proportional to 150,963.38, 208,340.34 and 90,532.92

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Solution

The fourth proportional to 150,963.38, 208,340.34 and 90,532.92 is: 124,941.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,963.38 : 208,340.34 = 90,532.92 : x
  2. Step 2: Convert to fraction form
    150,963.38/208,340.34 = 90,532.92/x
  3. Step 3: Cross multiply
    150,963.38x = 208,340.34 × 90,532.92
  4. Step 4: Simplify right side
    150,963.38x = 18,861,659,333.99
  5. Step 5: Solve for x
    x = 18,861,659,333.99/150,963.38
  6. Step 6: Final answer
    x = 124,941.96

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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.