Home / 129,737.22-179,037.27-70,121.22

Finding the Fourth Proportional to 129,737.22, 179,037.27 and 70,121.22

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Solution

The fourth proportional to 129,737.22, 179,037.27 and 70,121.22 is: 96,767.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,737.22 : 179,037.27 = 70,121.22 : x
  2. Step 2: Convert to fraction form
    129,737.22/179,037.27 = 70,121.22/x
  3. Step 3: Cross multiply
    129,737.22x = 179,037.27 × 70,121.22
  4. Step 4: Simplify right side
    129,737.22x = 12,554,311,797.87
  5. Step 5: Solve for x
    x = 12,554,311,797.87/129,737.22
  6. Step 6: Final answer
    x = 96,767.23

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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.