Home / 126,930.60-175,171.20-70,340.76

Finding the Fourth Proportional to 126,930.60, 175,171.20 and 70,340.76

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Solution

The fourth proportional to 126,930.60, 175,171.20 and 70,340.76 is: 97,074.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,930.60 : 175,171.20 = 70,340.76 : x
  2. Step 2: Convert to fraction form
    126,930.60/175,171.20 = 70,340.76/x
  3. Step 3: Cross multiply
    126,930.60x = 175,171.20 × 70,340.76
  4. Step 4: Simplify right side
    126,930.60x = 12,321,675,338.11
  5. Step 5: Solve for x
    x = 12,321,675,338.11/126,930.60
  6. Step 6: Final answer
    x = 97,074.11

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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.