Home / 144,062.20-198,809.01-79,531.24

Finding the Fourth Proportional to 144,062.20, 198,809.01 and 79,531.24

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Solution

The fourth proportional to 144,062.20, 198,809.01 and 79,531.24 is: 109,754.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,062.20 : 198,809.01 = 79,531.24 : x
  2. Step 2: Convert to fraction form
    144,062.20/198,809.01 = 79,531.24/x
  3. Step 3: Cross multiply
    144,062.20x = 198,809.01 × 79,531.24
  4. Step 4: Simplify right side
    144,062.20x = 15,811,527,088.47
  5. Step 5: Solve for x
    x = 15,811,527,088.47/144,062.20
  6. Step 6: Final answer
    x = 109,754.86

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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.