Home / 112,378.65-168,592.59-42,257.97

Finding the Fourth Proportional to 112,378.65, 168,592.59 and 42,257.97

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Solution

The fourth proportional to 112,378.65, 168,592.59 and 42,257.97 is: 63,396.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,378.65 : 168,592.59 = 42,257.97 : x
  2. Step 2: Convert to fraction form
    112,378.65/168,592.59 = 42,257.97/x
  3. Step 3: Cross multiply
    112,378.65x = 168,592.59 × 42,257.97
  4. Step 4: Simplify right side
    112,378.65x = 7,124,380,610.44
  5. Step 5: Solve for x
    x = 7,124,380,610.44/112,378.65
  6. Step 6: Final answer
    x = 63,396.21

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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.