Home / 159,857.24-220,604.78-88,240.28

Finding the Fourth Proportional to 159,857.24, 220,604.78 and 88,240.28

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Solution

The fourth proportional to 159,857.24, 220,604.78 and 88,240.28 is: 121,772.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,857.24 : 220,604.78 = 88,240.28 : x
  2. Step 2: Convert to fraction form
    159,857.24/220,604.78 = 88,240.28/x
  3. Step 3: Cross multiply
    159,857.24x = 220,604.78 × 88,240.28
  4. Step 4: Simplify right side
    159,857.24x = 19,466,226,674.12
  5. Step 5: Solve for x
    x = 19,466,226,674.12/159,857.24
  6. Step 6: Final answer
    x = 121,772.57

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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.