Home / 159,960.83-220,774.28-91,972.46

Finding the Fourth Proportional to 159,960.83, 220,774.28 and 91,972.46

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Solution

The fourth proportional to 159,960.83, 220,774.28 and 91,972.46 is: 126,938.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,960.83 : 220,774.28 = 91,972.46 : x
  2. Step 2: Convert to fraction form
    159,960.83/220,774.28 = 91,972.46/x
  3. Step 3: Cross multiply
    159,960.83x = 220,774.28 × 91,972.46
  4. Step 4: Simplify right side
    159,960.83x = 20,305,153,728.40
  5. Step 5: Solve for x
    x = 20,305,153,728.40/159,960.83
  6. Step 6: Final answer
    x = 126,938.29

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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.