Home / 186,001.80-278,845.92-80,741.49

Finding the Fourth Proportional to 186,001.80, 278,845.92 and 80,741.49

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Solution

The fourth proportional to 186,001.80, 278,845.92 and 80,741.49 is: 121,044.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,001.80 : 278,845.92 = 80,741.49 : x
  2. Step 2: Convert to fraction form
    186,001.80/278,845.92 = 80,741.49/x
  3. Step 3: Cross multiply
    186,001.80x = 278,845.92 × 80,741.49
  4. Step 4: Simplify right side
    186,001.80x = 22,514,435,061.22
  5. Step 5: Solve for x
    x = 22,514,435,061.22/186,001.80
  6. Step 6: Final answer
    x = 121,044.18

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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.