Home / 126,870.27-175,099.62-73,144.80

Finding the Fourth Proportional to 126,870.27, 175,099.62 and 73,144.80

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Solution

The fourth proportional to 126,870.27, 175,099.62 and 73,144.80 is: 100,950.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,870.27 : 175,099.62 = 73,144.80 : x
  2. Step 2: Convert to fraction form
    126,870.27/175,099.62 = 73,144.80/x
  3. Step 3: Cross multiply
    126,870.27x = 175,099.62 × 73,144.80
  4. Step 4: Simplify right side
    126,870.27x = 12,807,626,684.98
  5. Step 5: Solve for x
    x = 12,807,626,684.98/126,870.27
  6. Step 6: Final answer
    x = 100,950.57

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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.