Home / 159,947.26-220,799.06-105,531.46

Finding the Fourth Proportional to 159,947.26, 220,799.06 and 105,531.46

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Solution

The fourth proportional to 159,947.26, 220,799.06 and 105,531.46 is: 145,680.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,947.26 : 220,799.06 = 105,531.46 : x
  2. Step 2: Convert to fraction form
    159,947.26/220,799.06 = 105,531.46/x
  3. Step 3: Cross multiply
    159,947.26x = 220,799.06 × 105,531.46
  4. Step 4: Simplify right side
    159,947.26x = 23,301,247,168.43
  5. Step 5: Solve for x
    x = 23,301,247,168.43/159,947.26
  6. Step 6: Final answer
    x = 145,680.81

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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.