Home / 172,134.36-237,479.22-126,919.80

Finding the Fourth Proportional to 172,134.36, 237,479.22 and 126,919.80

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Solution

The fourth proportional to 172,134.36, 237,479.22 and 126,919.80 is: 175,100.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,134.36 : 237,479.22 = 126,919.80 : x
  2. Step 2: Convert to fraction form
    172,134.36/237,479.22 = 126,919.80/x
  3. Step 3: Cross multiply
    172,134.36x = 237,479.22 × 126,919.80
  4. Step 4: Simplify right side
    172,134.36x = 30,140,815,106.56
  5. Step 5: Solve for x
    x = 30,140,815,106.56/172,134.36
  6. Step 6: Final answer
    x = 175,100.52

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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.