Home / 185,911.50-278,817.38-80,705.46

Finding the Fourth Proportional to 185,911.50, 278,817.38 and 80,705.46

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Solution

The fourth proportional to 185,911.50, 278,817.38 and 80,705.46 is: 121,036.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,911.50 : 278,817.38 = 80,705.46 : x
  2. Step 2: Convert to fraction form
    185,911.50/278,817.38 = 80,705.46/x
  3. Step 3: Cross multiply
    185,911.50x = 278,817.38 × 80,705.46
  4. Step 4: Simplify right side
    185,911.50x = 22,502,084,908.89
  5. Step 5: Solve for x
    x = 22,502,084,908.89/185,911.50
  6. Step 6: Final answer
    x = 121,036.54

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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.