Home / 127,730.30-176,273.26-71,141.66

Finding the Fourth Proportional to 127,730.30, 176,273.26 and 71,141.66

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Solution

The fourth proportional to 127,730.30, 176,273.26 and 71,141.66 is: 98,178.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,730.30 : 176,273.26 = 71,141.66 : x
  2. Step 2: Convert to fraction form
    127,730.30/176,273.26 = 71,141.66/x
  3. Step 3: Cross multiply
    127,730.30x = 176,273.26 × 71,141.66
  4. Step 4: Simplify right side
    127,730.30x = 12,540,372,330.01
  5. Step 5: Solve for x
    x = 12,540,372,330.01/127,730.30
  6. Step 6: Final answer
    x = 98,178.52

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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.