Home / 140,868.57-211,334.31-52,120.11

Finding the Fourth Proportional to 140,868.57, 211,334.31 and 52,120.11

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Solution

The fourth proportional to 140,868.57, 211,334.31 and 52,120.11 is: 78,191.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,868.57 : 211,334.31 = 52,120.11 : x
  2. Step 2: Convert to fraction form
    140,868.57/211,334.31 = 52,120.11/x
  3. Step 3: Cross multiply
    140,868.57x = 211,334.31 × 52,120.11
  4. Step 4: Simplify right side
    140,868.57x = 11,014,767,483.97
  5. Step 5: Solve for x
    x = 11,014,767,483.97/140,868.57
  6. Step 6: Final answer
    x = 78,191.80

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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.