Home / 134,608.86-185,761.47-74,181.69

Finding the Fourth Proportional to 134,608.86, 185,761.47 and 74,181.69

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Solution

The fourth proportional to 134,608.86, 185,761.47 and 74,181.69 is: 102,371.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,608.86 : 185,761.47 = 74,181.69 : x
  2. Step 2: Convert to fraction form
    134,608.86/185,761.47 = 74,181.69/x
  3. Step 3: Cross multiply
    134,608.86x = 185,761.47 × 74,181.69
  4. Step 4: Simplify right side
    134,608.86x = 13,780,099,781.48
  5. Step 5: Solve for x
    x = 13,780,099,781.48/134,608.86
  6. Step 6: Final answer
    x = 102,371.42

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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.