Home / 96,268.80-144,326.40-40,819.20

Finding the Fourth Proportional to 96,268.80, 144,326.40 and 40,819.20

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Solution

The fourth proportional to 96,268.80, 144,326.40 and 40,819.20 is: 61,196.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,268.80 : 144,326.40 = 40,819.20 : x
  2. Step 2: Convert to fraction form
    96,268.80/144,326.40 = 40,819.20/x
  3. Step 3: Cross multiply
    96,268.80x = 144,326.40 × 40,819.20
  4. Step 4: Simplify right side
    96,268.80x = 5,891,288,186.88
  5. Step 5: Solve for x
    x = 5,891,288,186.88/96,268.80
  6. Step 6: Final answer
    x = 61,196.24

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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.