Home / 160,891.12-222,026.90-89,269.91

Finding the Fourth Proportional to 160,891.12, 222,026.90 and 89,269.91

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Solution

The fourth proportional to 160,891.12, 222,026.90 and 89,269.91 is: 123,190.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,891.12 : 222,026.90 = 89,269.91 : x
  2. Step 2: Convert to fraction form
    160,891.12/222,026.90 = 89,269.91/x
  3. Step 3: Cross multiply
    160,891.12x = 222,026.90 × 89,269.91
  4. Step 4: Simplify right side
    160,891.12x = 19,820,321,380.58
  5. Step 5: Solve for x
    x = 19,820,321,380.58/160,891.12
  6. Step 6: Final answer
    x = 123,190.90

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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.