Home / 112,377.65-168,591.09-42,256.97

Finding the Fourth Proportional to 112,377.65, 168,591.09 and 42,256.97

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Solution

The fourth proportional to 112,377.65, 168,591.09 and 42,256.97 is: 63,394.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,377.65 : 168,591.09 = 42,256.97 : x
  2. Step 2: Convert to fraction form
    112,377.65/168,591.09 = 42,256.97/x
  3. Step 3: Cross multiply
    112,377.65x = 168,591.09 × 42,256.97
  4. Step 4: Simplify right side
    112,377.65x = 7,124,147,789.44
  5. Step 5: Solve for x
    x = 7,124,147,789.44/112,377.65
  6. Step 6: Final answer
    x = 63,394.70

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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.