Home / 126,819.90-175,011.39-70,231.23

Finding the Fourth Proportional to 126,819.90, 175,011.39 and 70,231.23

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Solution

The fourth proportional to 126,819.90, 175,011.39 and 70,231.23 is: 96,919.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,819.90 : 175,011.39 = 70,231.23 : x
  2. Step 2: Convert to fraction form
    126,819.90/175,011.39 = 70,231.23/x
  3. Step 3: Cross multiply
    126,819.90x = 175,011.39 × 70,231.23
  4. Step 4: Simplify right side
    126,819.90x = 12,291,265,183.71
  5. Step 5: Solve for x
    x = 12,291,265,183.71/126,819.90
  6. Step 6: Final answer
    x = 96,919.06

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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.