Home / 140,031.82-209,985.63-40,169.26

Finding the Fourth Proportional to 140,031.82, 209,985.63 and 40,169.26

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Solution

The fourth proportional to 140,031.82, 209,985.63 and 40,169.26 is: 60,236.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,031.82 : 209,985.63 = 40,169.26 : x
  2. Step 2: Convert to fraction form
    140,031.82/209,985.63 = 40,169.26/x
  3. Step 3: Cross multiply
    140,031.82x = 209,985.63 × 40,169.26
  4. Step 4: Simplify right side
    140,031.82x = 8,434,967,367.73
  5. Step 5: Solve for x
    x = 8,434,967,367.73/140,031.82
  6. Step 6: Final answer
    x = 60,236.08

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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.