Home / 144,189.23-198,990.36-80,527.02

Finding the Fourth Proportional to 144,189.23, 198,990.36 and 80,527.02

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Solution

The fourth proportional to 144,189.23, 198,990.36 and 80,527.02 is: 111,132.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,189.23 : 198,990.36 = 80,527.02 : x
  2. Step 2: Convert to fraction form
    144,189.23/198,990.36 = 80,527.02/x
  3. Step 3: Cross multiply
    144,189.23x = 198,990.36 × 80,527.02
  4. Step 4: Simplify right side
    144,189.23x = 16,024,100,699.53
  5. Step 5: Solve for x
    x = 16,024,100,699.53/144,189.23
  6. Step 6: Final answer
    x = 111,132.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.