Home / 165,178.80-247,768.20-60,001.20

Finding the Fourth Proportional to 165,178.80, 247,768.20 and 60,001.20

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Solution

The fourth proportional to 165,178.80, 247,768.20 and 60,001.20 is: 90,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,178.80 : 247,768.20 = 60,001.20 : x
  2. Step 2: Convert to fraction form
    165,178.80/247,768.20 = 60,001.20/x
  3. Step 3: Cross multiply
    165,178.80x = 247,768.20 × 60,001.20
  4. Step 4: Simplify right side
    165,178.80x = 14,866,389,321.84
  5. Step 5: Solve for x
    x = 14,866,389,321.84/165,178.80
  6. Step 6: Final answer
    x = 90,001.80

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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.