Home / 140,053.28-208,914.46-126,600.80

Finding the Fourth Proportional to 140,053.28, 208,914.46 and 126,600.80

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Solution

The fourth proportional to 140,053.28, 208,914.46 and 126,600.80 is: 188,847.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,053.28 : 208,914.46 = 126,600.80 : x
  2. Step 2: Convert to fraction form
    140,053.28/208,914.46 = 126,600.80/x
  3. Step 3: Cross multiply
    140,053.28x = 208,914.46 × 126,600.80
  4. Step 4: Simplify right side
    140,053.28x = 26,448,737,767.57
  5. Step 5: Solve for x
    x = 26,448,737,767.57/140,053.28
  6. Step 6: Final answer
    x = 188,847.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.