Home / 178,208.31-245,934.25-101,739.86

Finding the Fourth Proportional to 178,208.31, 245,934.25 and 101,739.86

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Solution

The fourth proportional to 178,208.31, 245,934.25 and 101,739.86 is: 140,404.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,208.31 : 245,934.25 = 101,739.86 : x
  2. Step 2: Convert to fraction form
    178,208.31/245,934.25 = 101,739.86/x
  3. Step 3: Cross multiply
    178,208.31x = 245,934.25 × 101,739.86
  4. Step 4: Simplify right side
    178,208.31x = 25,021,314,680.18
  5. Step 5: Solve for x
    x = 25,021,314,680.18/178,208.31
  6. Step 6: Final answer
    x = 140,404.87

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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.