Home / 126,839.36-175,037.88-73,124.12

Finding the Fourth Proportional to 126,839.36, 175,037.88 and 73,124.12

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Solution

The fourth proportional to 126,839.36, 175,037.88 and 73,124.12 is: 100,911.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,839.36 : 175,037.88 = 73,124.12 : x
  2. Step 2: Convert to fraction form
    126,839.36/175,037.88 = 73,124.12/x
  3. Step 3: Cross multiply
    126,839.36x = 175,037.88 × 73,124.12
  4. Step 4: Simplify right side
    126,839.36x = 12,799,490,941.67
  5. Step 5: Solve for x
    x = 12,799,490,941.67/126,839.36
  6. Step 6: Final answer
    x = 100,911.03

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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.