Home / 140,666.38-211,018.09-45,863.27

Finding the Fourth Proportional to 140,666.38, 211,018.09 and 45,863.27

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Solution

The fourth proportional to 140,666.38, 211,018.09 and 45,863.27 is: 68,800.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,666.38 : 211,018.09 = 45,863.27 : x
  2. Step 2: Convert to fraction form
    140,666.38/211,018.09 = 45,863.27/x
  3. Step 3: Cross multiply
    140,666.38x = 211,018.09 × 45,863.27
  4. Step 4: Simplify right side
    140,666.38x = 9,677,979,636.55
  5. Step 5: Solve for x
    x = 9,677,979,636.55/140,666.38
  6. Step 6: Final answer
    x = 68,800.95

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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.