Home / 121,932.48-182,899.20-43,003.68

Finding the Fourth Proportional to 121,932.48, 182,899.20 and 43,003.68

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Solution

The fourth proportional to 121,932.48, 182,899.20 and 43,003.68 is: 64,505.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,932.48 : 182,899.20 = 43,003.68 : x
  2. Step 2: Convert to fraction form
    121,932.48/182,899.20 = 43,003.68/x
  3. Step 3: Cross multiply
    121,932.48x = 182,899.20 × 43,003.68
  4. Step 4: Simplify right side
    121,932.48x = 7,865,338,669.06
  5. Step 5: Solve for x
    x = 7,865,338,669.06/121,932.48
  6. Step 6: Final answer
    x = 64,505.69

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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.