Home / 159,632.46-220,286.16-87,033.78

Finding the Fourth Proportional to 159,632.46, 220,286.16 and 87,033.78

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Solution

The fourth proportional to 159,632.46, 220,286.16 and 87,033.78 is: 120,103.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,632.46 : 220,286.16 = 87,033.78 : x
  2. Step 2: Convert to fraction form
    159,632.46/220,286.16 = 87,033.78/x
  3. Step 3: Cross multiply
    159,632.46x = 220,286.16 × 87,033.78
  4. Step 4: Simplify right side
    159,632.46x = 19,172,337,186.48
  5. Step 5: Solve for x
    x = 19,172,337,186.48/159,632.46
  6. Step 6: Final answer
    x = 120,103.00

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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.