Home / 129,736.22-179,035.89-70,120.22

Finding the Fourth Proportional to 129,736.22, 179,035.89 and 70,120.22

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Solution

The fourth proportional to 129,736.22, 179,035.89 and 70,120.22 is: 96,765.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,736.22 : 179,035.89 = 70,120.22 : x
  2. Step 2: Convert to fraction form
    129,736.22/179,035.89 = 70,120.22/x
  3. Step 3: Cross multiply
    129,736.22x = 179,035.89 × 70,120.22
  4. Step 4: Simplify right side
    129,736.22x = 12,554,035,099.52
  5. Step 5: Solve for x
    x = 12,554,035,099.52/129,736.22
  6. Step 6: Final answer
    x = 96,765.85

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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.