Home / 126,906.75-175,132.53-70,319.34

Finding the Fourth Proportional to 126,906.75, 175,132.53 and 70,319.34

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Solution

The fourth proportional to 126,906.75, 175,132.53 and 70,319.34 is: 97,041.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,906.75 : 175,132.53 = 70,319.34 : x
  2. Step 2: Convert to fraction form
    126,906.75/175,132.53 = 70,319.34/x
  3. Step 3: Cross multiply
    126,906.75x = 175,132.53 × 70,319.34
  4. Step 4: Simplify right side
    126,906.75x = 12,315,203,922.13
  5. Step 5: Solve for x
    x = 12,315,203,922.13/126,906.75
  6. Step 6: Final answer
    x = 97,041.36

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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.