Home / 126,987.57-175,249.85-70,397.73

Finding the Fourth Proportional to 126,987.57, 175,249.85 and 70,397.73

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Solution

The fourth proportional to 126,987.57, 175,249.85 and 70,397.73 is: 97,152.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,987.57 : 175,249.85 = 70,397.73 : x
  2. Step 2: Convert to fraction form
    126,987.57/175,249.85 = 70,397.73/x
  3. Step 3: Cross multiply
    126,987.57x = 175,249.85 × 70,397.73
  4. Step 4: Simplify right side
    126,987.57x = 12,337,191,270.85
  5. Step 5: Solve for x
    x = 12,337,191,270.85/126,987.57
  6. Step 6: Final answer
    x = 97,152.75

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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.