Home / 127,008.48-175,191.37-81,608.43

Finding the Fourth Proportional to 127,008.48, 175,191.37 and 81,608.43

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Solution

The fourth proportional to 127,008.48, 175,191.37 and 81,608.43 is: 112,568.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,008.48 : 175,191.37 = 81,608.43 : x
  2. Step 2: Convert to fraction form
    127,008.48/175,191.37 = 81,608.43/x
  3. Step 3: Cross multiply
    127,008.48x = 175,191.37 × 81,608.43
  4. Step 4: Simplify right side
    127,008.48x = 14,297,092,655.25
  5. Step 5: Solve for x
    x = 14,297,092,655.25/127,008.48
  6. Step 6: Final answer
    x = 112,568.02

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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.