Home / 126,575.28-174,671.64-69,991.92

Finding the Fourth Proportional to 126,575.28, 174,671.64 and 69,991.92

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Solution

The fourth proportional to 126,575.28, 174,671.64 and 69,991.92 is: 96,587.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,575.28 : 174,671.64 = 69,991.92 : x
  2. Step 2: Convert to fraction form
    126,575.28/174,671.64 = 69,991.92/x
  3. Step 3: Cross multiply
    126,575.28x = 174,671.64 × 69,991.92
  4. Step 4: Simplify right side
    126,575.28x = 12,225,603,453.15
  5. Step 5: Solve for x
    x = 12,225,603,453.15/126,575.28
  6. Step 6: Final answer
    x = 96,587.61

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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.