Home / 127,326.76-175,588.74-84,286.60

Finding the Fourth Proportional to 127,326.76, 175,588.74 and 84,286.60

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Solution

The fourth proportional to 127,326.76, 175,588.74 and 84,286.60 is: 116,234.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,326.76 : 175,588.74 = 84,286.60 : x
  2. Step 2: Convert to fraction form
    127,326.76/175,588.74 = 84,286.60/x
  3. Step 3: Cross multiply
    127,326.76x = 175,588.74 × 84,286.60
  4. Step 4: Simplify right side
    127,326.76x = 14,799,777,892.88
  5. Step 5: Solve for x
    x = 14,799,777,892.88/127,326.76
  6. Step 6: Final answer
    x = 116,234.62

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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.