Home / 107,102.86-147,820.24-61,772.73

Finding the Fourth Proportional to 107,102.86, 147,820.24 and 61,772.73

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Solution

The fourth proportional to 107,102.86, 147,820.24 and 61,772.73 is: 85,256.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,102.86 : 147,820.24 = 61,772.73 : x
  2. Step 2: Convert to fraction form
    107,102.86/147,820.24 = 61,772.73/x
  3. Step 3: Cross multiply
    107,102.86x = 147,820.24 × 61,772.73
  4. Step 4: Simplify right side
    107,102.86x = 9,131,259,296.95
  5. Step 5: Solve for x
    x = 9,131,259,296.95/107,102.86
  6. Step 6: Final answer
    x = 85,256.92

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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.