Home / 140,315.96-210,556.97-51,631.73

Finding the Fourth Proportional to 140,315.96, 210,556.97 and 51,631.73

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Solution

The fourth proportional to 140,315.96, 210,556.97 and 51,631.73 is: 77,478.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,315.96 : 210,556.97 = 51,631.73 : x
  2. Step 2: Convert to fraction form
    140,315.96/210,556.97 = 51,631.73/x
  3. Step 3: Cross multiply
    140,315.96x = 210,556.97 × 51,631.73
  4. Step 4: Simplify right side
    140,315.96x = 10,871,420,366.50
  5. Step 5: Solve for x
    x = 10,871,420,366.50/140,315.96
  6. Step 6: Final answer
    x = 77,478.15

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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.