Home / 141,229.04-211,879.20-66,335.36

Finding the Fourth Proportional to 141,229.04, 211,879.20 and 66,335.36

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Solution

The fourth proportional to 141,229.04, 211,879.20 and 66,335.36 is: 99,519.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,229.04 : 211,879.20 = 66,335.36 : x
  2. Step 2: Convert to fraction form
    141,229.04/211,879.20 = 66,335.36/x
  3. Step 3: Cross multiply
    141,229.04x = 211,879.20 × 66,335.36
  4. Step 4: Simplify right side
    141,229.04x = 14,055,083,008.51
  5. Step 5: Solve for x
    x = 14,055,083,008.51/141,229.04
  6. Step 6: Final answer
    x = 99,519.78

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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.