Home / 143,716.17-198,315.45-80,052.60

Finding the Fourth Proportional to 143,716.17, 198,315.45 and 80,052.60

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Solution

The fourth proportional to 143,716.17, 198,315.45 and 80,052.60 is: 110,465.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,716.17 : 198,315.45 = 80,052.60 : x
  2. Step 2: Convert to fraction form
    143,716.17/198,315.45 = 80,052.60/x
  3. Step 3: Cross multiply
    143,716.17x = 198,315.45 × 80,052.60
  4. Step 4: Simplify right side
    143,716.17x = 15,875,667,392.67
  5. Step 5: Solve for x
    x = 15,875,667,392.67/143,716.17
  6. Step 6: Final answer
    x = 110,465.42

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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.