Home / 160,856.52-221,982.26-89,236.55

Finding the Fourth Proportional to 160,856.52, 221,982.26 and 89,236.55

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Solution

The fourth proportional to 160,856.52, 221,982.26 and 89,236.55 is: 123,146.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,856.52 : 221,982.26 = 89,236.55 : x
  2. Step 2: Convert to fraction form
    160,856.52/221,982.26 = 89,236.55/x
  3. Step 3: Cross multiply
    160,856.52x = 221,982.26 × 89,236.55
  4. Step 4: Simplify right side
    160,856.52x = 19,808,930,156.78
  5. Step 5: Solve for x
    x = 19,808,930,156.78/160,856.52
  6. Step 6: Final answer
    x = 123,146.58

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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.