Home / 126,265.39-174,276.06-72,581.55

Finding the Fourth Proportional to 126,265.39, 174,276.06 and 72,581.55

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Solution

The fourth proportional to 126,265.39, 174,276.06 and 72,581.55 is: 100,179.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,265.39 : 174,276.06 = 72,581.55 : x
  2. Step 2: Convert to fraction form
    126,265.39/174,276.06 = 72,581.55/x
  3. Step 3: Cross multiply
    126,265.39x = 174,276.06 × 72,581.55
  4. Step 4: Simplify right side
    126,265.39x = 12,649,226,562.69
  5. Step 5: Solve for x
    x = 12,649,226,562.69/126,265.39
  6. Step 6: Final answer
    x = 100,179.68

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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.