Home / 147,001.80-220,544.57-72,144.43

Finding the Fourth Proportional to 147,001.80, 220,544.57 and 72,144.43

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Solution

The fourth proportional to 147,001.80, 220,544.57 and 72,144.43 is: 108,237.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,001.80 : 220,544.57 = 72,144.43 : x
  2. Step 2: Convert to fraction form
    147,001.80/220,544.57 = 72,144.43/x
  3. Step 3: Cross multiply
    147,001.80x = 220,544.57 × 72,144.43
  4. Step 4: Simplify right side
    147,001.80x = 15,911,062,292.25
  5. Step 5: Solve for x
    x = 15,911,062,292.25/147,001.80
  6. Step 6: Final answer
    x = 108,237.19

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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.