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Finding the Fourth Proportional to 144,558.60, 216,843.98 and 51,064.84

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Solution

The fourth proportional to 144,558.60, 216,843.98 and 51,064.84 is: 76,599.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,558.60 : 216,843.98 = 51,064.84 : x
  2. Step 2: Convert to fraction form
    144,558.60/216,843.98 = 51,064.84/x
  3. Step 3: Cross multiply
    144,558.60x = 216,843.98 × 51,064.84
  4. Step 4: Simplify right side
    144,558.60x = 11,073,103,143.66
  5. Step 5: Solve for x
    x = 11,073,103,143.66/144,558.60
  6. Step 6: Final answer
    x = 76,599.41

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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.