Home / 137,378.96-205,713.54-94,815.75

Finding the Fourth Proportional to 137,378.96, 205,713.54 and 94,815.75

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Solution

The fourth proportional to 137,378.96, 205,713.54 and 94,815.75 is: 141,978.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,378.96 : 205,713.54 = 94,815.75 : x
  2. Step 2: Convert to fraction form
    137,378.96/205,713.54 = 94,815.75/x
  3. Step 3: Cross multiply
    137,378.96x = 205,713.54 × 94,815.75
  4. Step 4: Simplify right side
    137,378.96x = 19,504,883,580.26
  5. Step 5: Solve for x
    x = 19,504,883,580.26/137,378.96
  6. Step 6: Final answer
    x = 141,978.69

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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.