Home / 178,218.86-245,932.62-101,734.91

Finding the Fourth Proportional to 178,218.86, 245,932.62 and 101,734.91

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Solution

The fourth proportional to 178,218.86, 245,932.62 and 101,734.91 is: 140,388.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,218.86 : 245,932.62 = 101,734.91 : x
  2. Step 2: Convert to fraction form
    178,218.86/245,932.62 = 101,734.91/x
  3. Step 3: Cross multiply
    178,218.86x = 245,932.62 × 101,734.91
  4. Step 4: Simplify right side
    178,218.86x = 25,019,932,961.76
  5. Step 5: Solve for x
    x = 25,019,932,961.76/178,218.86
  6. Step 6: Final answer
    x = 140,388.81

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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.