Home / 87,864.70-121,232.55-50,151.10

Finding the Fourth Proportional to 87,864.70, 121,232.55 and 50,151.10

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Solution

The fourth proportional to 87,864.70, 121,232.55 and 50,151.10 is: 69,196.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,864.70 : 121,232.55 = 50,151.10 : x
  2. Step 2: Convert to fraction form
    87,864.70/121,232.55 = 50,151.10/x
  3. Step 3: Cross multiply
    87,864.70x = 121,232.55 × 50,151.10
  4. Step 4: Simplify right side
    87,864.70x = 6,079,945,738.31
  5. Step 5: Solve for x
    x = 6,079,945,738.31/87,864.70
  6. Step 6: Final answer
    x = 69,196.68

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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.