Home / 160,131.08-220,989.51-88,517.76

Finding the Fourth Proportional to 160,131.08, 220,989.51 and 88,517.76

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Solution

The fourth proportional to 160,131.08, 220,989.51 and 88,517.76 is: 122,159.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,131.08 : 220,989.51 = 88,517.76 : x
  2. Step 2: Convert to fraction form
    160,131.08/220,989.51 = 88,517.76/x
  3. Step 3: Cross multiply
    160,131.08x = 220,989.51 × 88,517.76
  4. Step 4: Simplify right side
    160,131.08x = 19,561,496,408.70
  5. Step 5: Solve for x
    x = 19,561,496,408.70/160,131.08
  6. Step 6: Final answer
    x = 122,159.28

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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.