Home / 140,523.88-210,868.80-51,839.32

Finding the Fourth Proportional to 140,523.88, 210,868.80 and 51,839.32

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Solution

The fourth proportional to 140,523.88, 210,868.80 and 51,839.32 is: 77,789.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,523.88 : 210,868.80 = 51,839.32 : x
  2. Step 2: Convert to fraction form
    140,523.88/210,868.80 = 51,839.32/x
  3. Step 3: Cross multiply
    140,523.88x = 210,868.80 × 51,839.32
  4. Step 4: Simplify right side
    140,523.88x = 10,931,295,201.22
  5. Step 5: Solve for x
    x = 10,931,295,201.22/140,523.88
  6. Step 6: Final answer
    x = 77,789.59

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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.