Home / 144,019.35-198,726.84-80,344.80

Finding the Fourth Proportional to 144,019.35, 198,726.84 and 80,344.80

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Solution

The fourth proportional to 144,019.35, 198,726.84 and 80,344.80 is: 110,864.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,019.35 : 198,726.84 = 80,344.80 : x
  2. Step 2: Convert to fraction form
    144,019.35/198,726.84 = 80,344.80/x
  3. Step 3: Cross multiply
    144,019.35x = 198,726.84 × 80,344.80
  4. Step 4: Simplify right side
    144,019.35x = 15,966,668,214.43
  5. Step 5: Solve for x
    x = 15,966,668,214.43/144,019.35
  6. Step 6: Final answer
    x = 110,864.74

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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.