Home / 212,517.45-293,273.62-115,719.81

Finding the Fourth Proportional to 212,517.45, 293,273.62 and 115,719.81

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Solution

The fourth proportional to 212,517.45, 293,273.62 and 115,719.81 is: 159,693.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,517.45 : 293,273.62 = 115,719.81 : x
  2. Step 2: Convert to fraction form
    212,517.45/293,273.62 = 115,719.81/x
  3. Step 3: Cross multiply
    212,517.45x = 293,273.62 × 115,719.81
  4. Step 4: Simplify right side
    212,517.45x = 33,937,567,627.62
  5. Step 5: Solve for x
    x = 33,937,567,627.62/212,517.45
  6. Step 6: Final answer
    x = 159,693.08

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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.