Home / 193,531.64-290,315.82-75,212.12

Finding the Fourth Proportional to 193,531.64, 290,315.82 and 75,212.12

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Solution

The fourth proportional to 193,531.64, 290,315.82 and 75,212.12 is: 112,825.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,531.64 : 290,315.82 = 75,212.12 : x
  2. Step 2: Convert to fraction form
    193,531.64/290,315.82 = 75,212.12/x
  3. Step 3: Cross multiply
    193,531.64x = 290,315.82 × 75,212.12
  4. Step 4: Simplify right side
    193,531.64x = 21,835,268,291.74
  5. Step 5: Solve for x
    x = 21,835,268,291.74/193,531.64
  6. Step 6: Final answer
    x = 112,825.32

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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.