Home / 160,387.16-221,337.97-88,770.20

Finding the Fourth Proportional to 160,387.16, 221,337.97 and 88,770.20

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Solution

The fourth proportional to 160,387.16, 221,337.97 and 88,770.20 is: 122,504.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,387.16 : 221,337.97 = 88,770.20 : x
  2. Step 2: Convert to fraction form
    160,387.16/221,337.97 = 88,770.20/x
  3. Step 3: Cross multiply
    160,387.16x = 221,337.97 × 88,770.20
  4. Step 4: Simplify right side
    160,387.16x = 19,648,214,535.88
  5. Step 5: Solve for x
    x = 19,648,214,535.88/160,387.16
  6. Step 6: Final answer
    x = 122,504.91

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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.