Home / 160,131.18-220,958.44-91,222.45

Finding the Fourth Proportional to 160,131.18, 220,958.44 and 91,222.45

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Solution

The fourth proportional to 160,131.18, 220,958.44 and 91,222.45 is: 125,874.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,131.18 : 220,958.44 = 91,222.45 : x
  2. Step 2: Convert to fraction form
    160,131.18/220,958.44 = 91,222.45/x
  3. Step 3: Cross multiply
    160,131.18x = 220,958.44 × 91,222.45
  4. Step 4: Simplify right side
    160,131.18x = 20,156,370,244.98
  5. Step 5: Solve for x
    x = 20,156,370,244.98/160,131.18
  6. Step 6: Final answer
    x = 125,874.11

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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.