Home / 126,896.08-175,037.30-81,633

Finding the Fourth Proportional to 126,896.08, 175,037.30 and 81,633

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Solution

The fourth proportional to 126,896.08, 175,037.30 and 81,633 is: 112,602.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,896.08 : 175,037.30 = 81,633 : x
  2. Step 2: Convert to fraction form
    126,896.08/175,037.30 = 81,633/x
  3. Step 3: Cross multiply
    126,896.08x = 175,037.30 × 81,633
  4. Step 4: Simplify right side
    126,896.08x = 14,288,819,910.90
  5. Step 5: Solve for x
    x = 14,288,819,910.90/126,896.08
  6. Step 6: Final answer
    x = 112,602.53

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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.