Home / 126,230.46-174,213.45-72,515.36

Finding the Fourth Proportional to 126,230.46, 174,213.45 and 72,515.36

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Solution

The fourth proportional to 126,230.46, 174,213.45 and 72,515.36 is: 100,080.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,230.46 : 174,213.45 = 72,515.36 : x
  2. Step 2: Convert to fraction form
    126,230.46/174,213.45 = 72,515.36/x
  3. Step 3: Cross multiply
    126,230.46x = 174,213.45 × 72,515.36
  4. Step 4: Simplify right side
    126,230.46x = 12,633,151,043.59
  5. Step 5: Solve for x
    x = 12,633,151,043.59/126,230.46
  6. Step 6: Final answer
    x = 100,080.05

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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.