Home / 127,732.33-176,276.01-71,143.69

Finding the Fourth Proportional to 127,732.33, 176,276.01 and 71,143.69

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Solution

The fourth proportional to 127,732.33, 176,276.01 and 71,143.69 is: 98,181.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,732.33 : 176,276.01 = 71,143.69 : x
  2. Step 2: Convert to fraction form
    127,732.33/176,276.01 = 71,143.69/x
  3. Step 3: Cross multiply
    127,732.33x = 176,276.01 × 71,143.69
  4. Step 4: Simplify right side
    127,732.33x = 12,540,925,809.88
  5. Step 5: Solve for x
    x = 12,540,925,809.88/127,732.33
  6. Step 6: Final answer
    x = 98,181.30

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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.