Home / 140,665.56-211,016.87-45,862.45

Finding the Fourth Proportional to 140,665.56, 211,016.87 and 45,862.45

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Solution

The fourth proportional to 140,665.56, 211,016.87 and 45,862.45 is: 68,799.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,665.56 : 211,016.87 = 45,862.45 : x
  2. Step 2: Convert to fraction form
    140,665.56/211,016.87 = 45,862.45/x
  3. Step 3: Cross multiply
    140,665.56x = 211,016.87 × 45,862.45
  4. Step 4: Simplify right side
    140,665.56x = 9,677,751,177.07
  5. Step 5: Solve for x
    x = 9,677,751,177.07/140,665.56
  6. Step 6: Final answer
    x = 68,799.72

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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.