Home / 126,945.28-175,185.92-70,358.40

Finding the Fourth Proportional to 126,945.28, 175,185.92 and 70,358.40

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Solution

The fourth proportional to 126,945.28, 175,185.92 and 70,358.40 is: 97,095.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,945.28 : 175,185.92 = 70,358.40 : x
  2. Step 2: Convert to fraction form
    126,945.28/175,185.92 = 70,358.40/x
  3. Step 3: Cross multiply
    126,945.28x = 175,185.92 × 70,358.40
  4. Step 4: Simplify right side
    126,945.28x = 12,325,801,033.73
  5. Step 5: Solve for x
    x = 12,325,801,033.73/126,945.28
  6. Step 6: Final answer
    x = 97,095.39

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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.