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Finding the Fourth Proportional to 140,815.46, 211,201.11 and 46,044.98

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Solution

The fourth proportional to 140,815.46, 211,201.11 and 46,044.98 is: 69,060.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,815.46 : 211,201.11 = 46,044.98 : x
  2. Step 2: Convert to fraction form
    140,815.46/211,201.11 = 46,044.98/x
  3. Step 3: Cross multiply
    140,815.46x = 211,201.11 × 46,044.98
  4. Step 4: Simplify right side
    140,815.46x = 9,724,750,885.93
  5. Step 5: Solve for x
    x = 9,724,750,885.93/140,815.46
  6. Step 6: Final answer
    x = 69,060.25

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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.