Home / 126,820.40-175,012.08-70,231.73

Finding the Fourth Proportional to 126,820.40, 175,012.08 and 70,231.73

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Solution

The fourth proportional to 126,820.40, 175,012.08 and 70,231.73 is: 96,919.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,820.40 : 175,012.08 = 70,231.73 : x
  2. Step 2: Convert to fraction form
    126,820.40/175,012.08 = 70,231.73/x
  3. Step 3: Cross multiply
    126,820.40x = 175,012.08 × 70,231.73
  4. Step 4: Simplify right side
    126,820.40x = 12,291,401,149.30
  5. Step 5: Solve for x
    x = 12,291,401,149.30/126,820.40
  6. Step 6: Final answer
    x = 96,919.75

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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.