Home / 140,571.93-210,824.77-51,777.21

Finding the Fourth Proportional to 140,571.93, 210,824.77 and 51,777.21

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Solution

The fourth proportional to 140,571.93, 210,824.77 and 51,777.21 is: 77,653.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,571.93 : 210,824.77 = 51,777.21 : x
  2. Step 2: Convert to fraction form
    140,571.93/210,824.77 = 51,777.21/x
  3. Step 3: Cross multiply
    140,571.93x = 210,824.77 × 51,777.21
  4. Step 4: Simplify right side
    140,571.93x = 10,915,918,389.49
  5. Step 5: Solve for x
    x = 10,915,918,389.49/140,571.93
  6. Step 6: Final answer
    x = 77,653.61

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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.