Home / 160,306.40-221,226.36-88,691.51

Finding the Fourth Proportional to 160,306.40, 221,226.36 and 88,691.51

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Solution

The fourth proportional to 160,306.40, 221,226.36 and 88,691.51 is: 122,396.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,306.40 : 221,226.36 = 88,691.51 : x
  2. Step 2: Convert to fraction form
    160,306.40/221,226.36 = 88,691.51/x
  3. Step 3: Cross multiply
    160,306.40x = 221,226.36 × 88,691.51
  4. Step 4: Simplify right side
    160,306.40x = 19,620,899,920.20
  5. Step 5: Solve for x
    x = 19,620,899,920.20/160,306.40
  6. Step 6: Final answer
    x = 122,396.24

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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.