Home / 147,004.80-220,549.06-72,147.44

Finding the Fourth Proportional to 147,004.80, 220,549.06 and 72,147.44

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Solution

The fourth proportional to 147,004.80, 220,549.06 and 72,147.44 is: 108,241.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,004.80 : 220,549.06 = 72,147.44 : x
  2. Step 2: Convert to fraction form
    147,004.80/220,549.06 = 72,147.44/x
  3. Step 3: Cross multiply
    147,004.80x = 220,549.06 × 72,147.44
  4. Step 4: Simplify right side
    147,004.80x = 15,912,050,073.41
  5. Step 5: Solve for x
    x = 15,912,050,073.41/147,004.80
  6. Step 6: Final answer
    x = 108,241.70

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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.