Home / 112,507.66-168,761.68-45,947.80

Finding the Fourth Proportional to 112,507.66, 168,761.68 and 45,947.80

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Solution

The fourth proportional to 112,507.66, 168,761.68 and 45,947.80 is: 68,921.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,507.66 : 168,761.68 = 45,947.80 : x
  2. Step 2: Convert to fraction form
    112,507.66/168,761.68 = 45,947.80/x
  3. Step 3: Cross multiply
    112,507.66x = 168,761.68 × 45,947.80
  4. Step 4: Simplify right side
    112,507.66x = 7,754,227,920.30
  5. Step 5: Solve for x
    x = 7,754,227,920.30/112,507.66
  6. Step 6: Final answer
    x = 68,921.78

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1.5x scale

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.