Home / 102,251.82-153,400.77-31,180.74

Finding the Fourth Proportional to 102,251.82, 153,400.77 and 31,180.74

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Solution

The fourth proportional to 102,251.82, 153,400.77 and 31,180.74 is: 46,778.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,251.82 : 153,400.77 = 31,180.74 : x
  2. Step 2: Convert to fraction form
    102,251.82/153,400.77 = 31,180.74/x
  3. Step 3: Cross multiply
    102,251.82x = 153,400.77 × 31,180.74
  4. Step 4: Simplify right side
    102,251.82x = 4,783,149,525.17
  5. Step 5: Solve for x
    x = 4,783,149,525.17/102,251.82
  6. Step 6: Final answer
    x = 46,778.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.