Home / 212,839.50-293,720.54-117,349.61

Finding the Fourth Proportional to 212,839.50, 293,720.54 and 117,349.61

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Solution

The fourth proportional to 212,839.50, 293,720.54 and 117,349.61 is: 161,943.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,839.50 : 293,720.54 = 117,349.61 : x
  2. Step 2: Convert to fraction form
    212,839.50/293,720.54 = 117,349.61/x
  3. Step 3: Cross multiply
    212,839.50x = 293,720.54 × 117,349.61
  4. Step 4: Simplify right side
    212,839.50x = 34,467,990,965.54
  5. Step 5: Solve for x
    x = 34,467,990,965.54/212,839.50
  6. Step 6: Final answer
    x = 161,943.58

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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.