Home / 140,294.84-210,321.97-51,502.64

Finding the Fourth Proportional to 140,294.84, 210,321.97 and 51,502.64

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Solution

The fourth proportional to 140,294.84, 210,321.97 and 51,502.64 is: 77,209.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,294.84 : 210,321.97 = 51,502.64 : x
  2. Step 2: Convert to fraction form
    140,294.84/210,321.97 = 51,502.64/x
  3. Step 3: Cross multiply
    140,294.84x = 210,321.97 × 51,502.64
  4. Step 4: Simplify right side
    140,294.84x = 10,832,135,524.63
  5. Step 5: Solve for x
    x = 10,832,135,524.63/140,294.84
  6. Step 6: Final answer
    x = 77,209.80

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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.