Home / 251,515.68-347,088.18-136,791.82

Finding the Fourth Proportional to 251,515.68, 347,088.18 and 136,791.82

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Solution

The fourth proportional to 251,515.68, 347,088.18 and 136,791.82 is: 188,770.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,515.68 : 347,088.18 = 136,791.82 : x
  2. Step 2: Convert to fraction form
    251,515.68/347,088.18 = 136,791.82/x
  3. Step 3: Cross multiply
    251,515.68x = 347,088.18 × 136,791.82
  4. Step 4: Simplify right side
    251,515.68x = 47,478,823,842.69
  5. Step 5: Solve for x
    x = 47,478,823,842.69/251,515.68
  6. Step 6: Final answer
    x = 188,770.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.