Home / 126,915.85-175,143.86-70,327.22

Finding the Fourth Proportional to 126,915.85, 175,143.86 and 70,327.22

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Solution

The fourth proportional to 126,915.85, 175,143.86 and 70,327.22 is: 97,051.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,915.85 : 175,143.86 = 70,327.22 : x
  2. Step 2: Convert to fraction form
    126,915.85/175,143.86 = 70,327.22/x
  3. Step 3: Cross multiply
    126,915.85x = 175,143.86 × 70,327.22
  4. Step 4: Simplify right side
    126,915.85x = 12,317,380,773.87
  5. Step 5: Solve for x
    x = 12,317,380,773.87/126,915.85
  6. Step 6: Final answer
    x = 97,051.56

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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.