Home / 235,975.40-325,621.86-140,486.12

Finding the Fourth Proportional to 235,975.40, 325,621.86 and 140,486.12

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Solution

The fourth proportional to 235,975.40, 325,621.86 and 140,486.12 is: 193,856.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,975.40 : 325,621.86 = 140,486.12 : x
  2. Step 2: Convert to fraction form
    235,975.40/325,621.86 = 140,486.12/x
  3. Step 3: Cross multiply
    235,975.40x = 325,621.86 × 140,486.12
  4. Step 4: Simplify right side
    235,975.40x = 45,745,351,698.58
  5. Step 5: Solve for x
    x = 45,745,351,698.58/235,975.40
  6. Step 6: Final answer
    x = 193,856.44

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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.