Home / 112,815.92-169,224.28-28,576.04

Finding the Fourth Proportional to 112,815.92, 169,224.28 and 28,576.04

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Solution

The fourth proportional to 112,815.92, 169,224.28 and 28,576.04 is: 42,864.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,815.92 : 169,224.28 = 28,576.04 : x
  2. Step 2: Convert to fraction form
    112,815.92/169,224.28 = 28,576.04/x
  3. Step 3: Cross multiply
    112,815.92x = 169,224.28 × 28,576.04
  4. Step 4: Simplify right side
    112,815.92x = 4,835,759,794.25
  5. Step 5: Solve for x
    x = 4,835,759,794.25/112,815.92
  6. Step 6: Final answer
    x = 42,864.16

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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.