Home / 126,915.39-175,144.28-70,327.71

Finding the Fourth Proportional to 126,915.39, 175,144.28 and 70,327.71

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Solution

The fourth proportional to 126,915.39, 175,144.28 and 70,327.71 is: 97,052.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,915.39 : 175,144.28 = 70,327.71 : x
  2. Step 2: Convert to fraction form
    126,915.39/175,144.28 = 70,327.71/x
  3. Step 3: Cross multiply
    126,915.39x = 175,144.28 × 70,327.71
  4. Step 4: Simplify right side
    126,915.39x = 12,317,495,780.36
  5. Step 5: Solve for x
    x = 12,317,495,780.36/126,915.39
  6. Step 6: Final answer
    x = 97,052.81

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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.