Home / 142,734.27-196,958.92-79,060.17

Finding the Fourth Proportional to 142,734.27, 196,958.92 and 79,060.17

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Solution

The fourth proportional to 142,734.27, 196,958.92 and 79,060.17 is: 109,095.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,734.27 : 196,958.92 = 79,060.17 : x
  2. Step 2: Convert to fraction form
    142,734.27/196,958.92 = 79,060.17/x
  3. Step 3: Cross multiply
    142,734.27x = 196,958.92 × 79,060.17
  4. Step 4: Simplify right side
    142,734.27x = 15,571,605,698.22
  5. Step 5: Solve for x
    x = 15,571,605,698.22/142,734.27
  6. Step 6: Final answer
    x = 109,095.07

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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.