Home / 160,489.12-221,481.66-88,869.14

Finding the Fourth Proportional to 160,489.12, 221,481.66 and 88,869.14

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Solution

The fourth proportional to 160,489.12, 221,481.66 and 88,869.14 is: 122,643.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,489.12 : 221,481.66 = 88,869.14 : x
  2. Step 2: Convert to fraction form
    160,489.12/221,481.66 = 88,869.14/x
  3. Step 3: Cross multiply
    160,489.12x = 221,481.66 × 88,869.14
  4. Step 4: Simplify right side
    160,489.12x = 19,682,885,204.32
  5. Step 5: Solve for x
    x = 19,682,885,204.32/160,489.12
  6. Step 6: Final answer
    x = 122,643.11

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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.