Home / 126,910.76-175,138.04-70,323.36

Finding the Fourth Proportional to 126,910.76, 175,138.04 and 70,323.36

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Solution

The fourth proportional to 126,910.76, 175,138.04 and 70,323.36 is: 97,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,910.76 : 175,138.04 = 70,323.36 : x
  2. Step 2: Convert to fraction form
    126,910.76/175,138.04 = 70,323.36/x
  3. Step 3: Cross multiply
    126,910.76x = 175,138.04 × 70,323.36
  4. Step 4: Simplify right side
    126,910.76x = 12,316,295,436.61
  5. Step 5: Solve for x
    x = 12,316,295,436.61/126,910.76
  6. Step 6: Final answer
    x = 97,046.90

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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.