Home / 127,730.32-176,273.25-71,141.69

Finding the Fourth Proportional to 127,730.32, 176,273.25 and 71,141.69

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Solution

The fourth proportional to 127,730.32, 176,273.25 and 71,141.69 is: 98,178.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,730.32 : 176,273.25 = 71,141.69 : x
  2. Step 2: Convert to fraction form
    127,730.32/176,273.25 = 71,141.69/x
  3. Step 3: Cross multiply
    127,730.32x = 176,273.25 × 71,141.69
  4. Step 4: Simplify right side
    127,730.32x = 12,540,376,906.79
  5. Step 5: Solve for x
    x = 12,540,376,906.79/127,730.32
  6. Step 6: Final answer
    x = 98,178.54

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1.5x scale

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.