Home / 127,745.08-176,293.66-71,156.44

Finding the Fourth Proportional to 127,745.08, 176,293.66 and 71,156.44

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Solution

The fourth proportional to 127,745.08, 176,293.66 and 71,156.44 is: 98,198.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,745.08 : 176,293.66 = 71,156.44 : x
  2. Step 2: Convert to fraction form
    127,745.08/176,293.66 = 71,156.44/x
  3. Step 3: Cross multiply
    127,745.08x = 176,293.66 × 71,156.44
  4. Step 4: Simplify right side
    127,745.08x = 12,544,429,240.17
  5. Step 5: Solve for x
    x = 12,544,429,240.17/127,745.08
  6. Step 6: Final answer
    x = 98,198.92

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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.