Home / 127,388.70-175,492.68-89,076.61

Finding the Fourth Proportional to 127,388.70, 175,492.68 and 89,076.61

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Solution

The fourth proportional to 127,388.70, 175,492.68 and 89,076.61 is: 122,713.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,388.70 : 175,492.68 = 89,076.61 : x
  2. Step 2: Convert to fraction form
    127,388.70/175,492.68 = 89,076.61/x
  3. Step 3: Cross multiply
    127,388.70x = 175,492.68 × 89,076.61
  4. Step 4: Simplify right side
    127,388.70x = 15,632,292,899.54
  5. Step 5: Solve for x
    x = 15,632,292,899.54/127,388.70
  6. Step 6: Final answer
    x = 122,713.34

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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.