Home / 140,523.77-210,868.68-51,839.55

Finding the Fourth Proportional to 140,523.77, 210,868.68 and 51,839.55

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Solution

The fourth proportional to 140,523.77, 210,868.68 and 51,839.55 is: 77,789.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,523.77 : 210,868.68 = 51,839.55 : x
  2. Step 2: Convert to fraction form
    140,523.77/210,868.68 = 51,839.55/x
  3. Step 3: Cross multiply
    140,523.77x = 210,868.68 × 51,839.55
  4. Step 4: Simplify right side
    140,523.77x = 10,931,337,480.29
  5. Step 5: Solve for x
    x = 10,931,337,480.29/140,523.77
  6. Step 6: Final answer
    x = 77,789.95

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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.