Home / 143,276.17-197,717.19-79,612.33

Finding the Fourth Proportional to 143,276.17, 197,717.19 and 79,612.33

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Solution

The fourth proportional to 143,276.17, 197,717.19 and 79,612.33 is: 109,862.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,276.17 : 197,717.19 = 79,612.33 : x
  2. Step 2: Convert to fraction form
    143,276.17/197,717.19 = 79,612.33/x
  3. Step 3: Cross multiply
    143,276.17x = 197,717.19 × 79,612.33
  4. Step 4: Simplify right side
    143,276.17x = 15,740,726,176.95
  5. Step 5: Solve for x
    x = 15,740,726,176.95/143,276.17
  6. Step 6: Final answer
    x = 109,862.83

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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.