Home / 134,057.52-185,086.08-83,134.44

Finding the Fourth Proportional to 134,057.52, 185,086.08 and 83,134.44

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Solution

The fourth proportional to 134,057.52, 185,086.08 and 83,134.44 is: 114,779.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,057.52 : 185,086.08 = 83,134.44 : x
  2. Step 2: Convert to fraction form
    134,057.52/185,086.08 = 83,134.44/x
  3. Step 3: Cross multiply
    134,057.52x = 185,086.08 × 83,134.44
  4. Step 4: Simplify right side
    134,057.52x = 15,387,027,612.60
  5. Step 5: Solve for x
    x = 15,387,027,612.60/134,057.52
  6. Step 6: Final answer
    x = 114,779.29

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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.