Home / 126,511.32-174,585.30-72,063.48

Finding the Fourth Proportional to 126,511.32, 174,585.30 and 72,063.48

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Solution

The fourth proportional to 126,511.32, 174,585.30 and 72,063.48 is: 99,447.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,511.32 : 174,585.30 = 72,063.48 : x
  2. Step 2: Convert to fraction form
    126,511.32/174,585.30 = 72,063.48/x
  3. Step 3: Cross multiply
    126,511.32x = 174,585.30 × 72,063.48
  4. Step 4: Simplify right side
    126,511.32x = 12,581,224,274.84
  5. Step 5: Solve for x
    x = 12,581,224,274.84/126,511.32
  6. Step 6: Final answer
    x = 99,447.42

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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.