Home / 126,500.88-174,554.30-81,240.15

Finding the Fourth Proportional to 126,500.88, 174,554.30 and 81,240.15

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Solution

The fourth proportional to 126,500.88, 174,554.30 and 81,240.15 is: 112,100.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,500.88 : 174,554.30 = 81,240.15 : x
  2. Step 2: Convert to fraction form
    126,500.88/174,554.30 = 81,240.15/x
  3. Step 3: Cross multiply
    126,500.88x = 174,554.30 × 81,240.15
  4. Step 4: Simplify right side
    126,500.88x = 14,180,817,515.15
  5. Step 5: Solve for x
    x = 14,180,817,515.15/126,500.88
  6. Step 6: Final answer
    x = 112,100.54

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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.