Home / 127,693.08-176,228.70-71,104.44

Finding the Fourth Proportional to 127,693.08, 176,228.70 and 71,104.44

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Solution

The fourth proportional to 127,693.08, 176,228.70 and 71,104.44 is: 98,130.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,693.08 : 176,228.70 = 71,104.44 : x
  2. Step 2: Convert to fraction form
    127,693.08/176,228.70 = 71,104.44/x
  3. Step 3: Cross multiply
    127,693.08x = 176,228.70 × 71,104.44
  4. Step 4: Simplify right side
    127,693.08x = 12,530,643,025.43
  5. Step 5: Solve for x
    x = 12,530,643,025.43/127,693.08
  6. Step 6: Final answer
    x = 98,130.95

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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.