Home / 160,142.07-220,986.45-88,517.82

Finding the Fourth Proportional to 160,142.07, 220,986.45 and 88,517.82

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Solution

The fourth proportional to 160,142.07, 220,986.45 and 88,517.82 is: 122,149.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,142.07 : 220,986.45 = 88,517.82 : x
  2. Step 2: Convert to fraction form
    160,142.07/220,986.45 = 88,517.82/x
  3. Step 3: Cross multiply
    160,142.07x = 220,986.45 × 88,517.82
  4. Step 4: Simplify right side
    160,142.07x = 19,561,238,803.54
  5. Step 5: Solve for x
    x = 19,561,238,803.54/160,142.07
  6. Step 6: Final answer
    x = 122,149.28

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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.