Home / 127,961.96-176,587.80-71,377.04

Finding the Fourth Proportional to 127,961.96, 176,587.80 and 71,377.04

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Solution

The fourth proportional to 127,961.96, 176,587.80 and 71,377.04 is: 98,500.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,961.96 : 176,587.80 = 71,377.04 : x
  2. Step 2: Convert to fraction form
    127,961.96/176,587.80 = 71,377.04/x
  3. Step 3: Cross multiply
    127,961.96x = 176,587.80 × 71,377.04
  4. Step 4: Simplify right side
    127,961.96x = 12,604,314,464.11
  5. Step 5: Solve for x
    x = 12,604,314,464.11/127,961.96
  6. Step 6: Final answer
    x = 98,500.48

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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.