Home / 112,081.28-168,125.44-41,947.20

Finding the Fourth Proportional to 112,081.28, 168,125.44 and 41,947.20

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Solution

The fourth proportional to 112,081.28, 168,125.44 and 41,947.20 is: 62,922.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,081.28 : 168,125.44 = 41,947.20 : x
  2. Step 2: Convert to fraction form
    112,081.28/168,125.44 = 41,947.20/x
  3. Step 3: Cross multiply
    112,081.28x = 168,125.44 × 41,947.20
  4. Step 4: Simplify right side
    112,081.28x = 7,052,391,456.77
  5. Step 5: Solve for x
    x = 7,052,391,456.77/112,081.28
  6. Step 6: Final answer
    x = 62,922.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.