Home / 140,824.40-211,116.31-52,061.36

Finding the Fourth Proportional to 140,824.40, 211,116.31 and 52,061.36

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Solution

The fourth proportional to 140,824.40, 211,116.31 and 52,061.36 is: 78,047.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,824.40 : 211,116.31 = 52,061.36 : x
  2. Step 2: Convert to fraction form
    140,824.40/211,116.31 = 52,061.36/x
  3. Step 3: Cross multiply
    140,824.40x = 211,116.31 × 52,061.36
  4. Step 4: Simplify right side
    140,824.40x = 10,991,002,216.78
  5. Step 5: Solve for x
    x = 10,991,002,216.78/140,824.40
  6. Step 6: Final answer
    x = 78,047.57

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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.