Home / 126,633.39-174,758.39-72,193.61

Finding the Fourth Proportional to 126,633.39, 174,758.39 and 72,193.61

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Solution

The fourth proportional to 126,633.39, 174,758.39 and 72,193.61 is: 99,629.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,633.39 : 174,758.39 = 72,193.61 : x
  2. Step 2: Convert to fraction form
    126,633.39/174,758.39 = 72,193.61/x
  3. Step 3: Cross multiply
    126,633.39x = 174,758.39 × 72,193.61
  4. Step 4: Simplify right side
    126,633.39x = 12,616,438,178.10
  5. Step 5: Solve for x
    x = 12,616,438,178.10/126,633.39
  6. Step 6: Final answer
    x = 99,629.64

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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.