Home / 129,995.28-179,393.22-73,406.70

Finding the Fourth Proportional to 129,995.28, 179,393.22 and 73,406.70

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Solution

The fourth proportional to 129,995.28, 179,393.22 and 73,406.70 is: 101,301.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,995.28 : 179,393.22 = 73,406.70 : x
  2. Step 2: Convert to fraction form
    129,995.28/179,393.22 = 73,406.70/x
  3. Step 3: Cross multiply
    129,995.28x = 179,393.22 × 73,406.70
  4. Step 4: Simplify right side
    129,995.28x = 13,168,664,282.57
  5. Step 5: Solve for x
    x = 13,168,664,282.57/129,995.28
  6. Step 6: Final answer
    x = 101,301.10

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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.