Home / 88,890.53-122,699.82-51,179.81

Finding the Fourth Proportional to 88,890.53, 122,699.82 and 51,179.81

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Solution

The fourth proportional to 88,890.53, 122,699.82 and 51,179.81 is: 70,645.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,890.53 : 122,699.82 = 51,179.81 : x
  2. Step 2: Convert to fraction form
    88,890.53/122,699.82 = 51,179.81/x
  3. Step 3: Cross multiply
    88,890.53x = 122,699.82 × 51,179.81
  4. Step 4: Simplify right side
    88,890.53x = 6,279,753,474.63
  5. Step 5: Solve for x
    x = 6,279,753,474.63/88,890.53
  6. Step 6: Final answer
    x = 70,645.92

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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.