Home / 140,663.50-211,013.78-45,860.39

Finding the Fourth Proportional to 140,663.50, 211,013.78 and 45,860.39

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Solution

The fourth proportional to 140,663.50, 211,013.78 and 45,860.39 is: 68,796.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,663.50 : 211,013.78 = 45,860.39 : x
  2. Step 2: Convert to fraction form
    140,663.50/211,013.78 = 45,860.39/x
  3. Step 3: Cross multiply
    140,663.50x = 211,013.78 × 45,860.39
  4. Step 4: Simplify right side
    140,663.50x = 9,677,173,753.11
  5. Step 5: Solve for x
    x = 9,677,173,753.11/140,663.50
  6. Step 6: Final answer
    x = 68,796.62

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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.