Home / 140,734.84-211,119.66-45,974.56

Finding the Fourth Proportional to 140,734.84, 211,119.66 and 45,974.56

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Solution

The fourth proportional to 140,734.84, 211,119.66 and 45,974.56 is: 68,967.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,734.84 : 211,119.66 = 45,974.56 : x
  2. Step 2: Convert to fraction form
    140,734.84/211,119.66 = 45,974.56/x
  3. Step 3: Cross multiply
    140,734.84x = 211,119.66 × 45,974.56
  4. Step 4: Simplify right side
    140,734.84x = 9,706,133,475.85
  5. Step 5: Solve for x
    x = 9,706,133,475.85/140,734.84
  6. Step 6: Final answer
    x = 68,967.52

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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.