Home / 129,234.21-193,860.56-34,463.89

Finding the Fourth Proportional to 129,234.21, 193,860.56 and 34,463.89

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Solution

The fourth proportional to 129,234.21, 193,860.56 and 34,463.89 is: 51,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,234.21 : 193,860.56 = 34,463.89 : x
  2. Step 2: Convert to fraction form
    129,234.21/193,860.56 = 34,463.89/x
  3. Step 3: Cross multiply
    129,234.21x = 193,860.56 × 34,463.89
  4. Step 4: Simplify right side
    129,234.21x = 6,681,189,015.18
  5. Step 5: Solve for x
    x = 6,681,189,015.18/129,234.21
  6. Step 6: Final answer
    x = 51,698.30

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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.