Home / 129,212.69-193,803.64-34,449.98

Finding the Fourth Proportional to 129,212.69, 193,803.64 and 34,449.98

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Solution

The fourth proportional to 129,212.69, 193,803.64 and 34,449.98 is: 51,670.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,212.69 : 193,803.64 = 34,449.98 : x
  2. Step 2: Convert to fraction form
    129,212.69/193,803.64 = 34,449.98/x
  3. Step 3: Cross multiply
    129,212.69x = 193,803.64 × 34,449.98
  4. Step 4: Simplify right side
    129,212.69x = 6,676,530,466.78
  5. Step 5: Solve for x
    x = 6,676,530,466.78/129,212.69
  6. Step 6: Final answer
    x = 51,670.86

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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.