Home / 112,949.25-169,424.46-38,070.04

Finding the Fourth Proportional to 112,949.25, 169,424.46 and 38,070.04

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Solution

The fourth proportional to 112,949.25, 169,424.46 and 38,070.04 is: 57,105.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,949.25 : 169,424.46 = 38,070.04 : x
  2. Step 2: Convert to fraction form
    112,949.25/169,424.46 = 38,070.04/x
  3. Step 3: Cross multiply
    112,949.25x = 169,424.46 × 38,070.04
  4. Step 4: Simplify right side
    112,949.25x = 6,449,995,969.18
  5. Step 5: Solve for x
    x = 6,449,995,969.18/112,949.25
  6. Step 6: Final answer
    x = 57,105.26

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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.