Home / 91,449.72-126,243.75-68,797.35

Finding the Fourth Proportional to 91,449.72, 126,243.75 and 68,797.35

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Solution

The fourth proportional to 91,449.72, 126,243.75 and 68,797.35 is: 94,972.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,449.72 : 126,243.75 = 68,797.35 : x
  2. Step 2: Convert to fraction form
    91,449.72/126,243.75 = 68,797.35/x
  3. Step 3: Cross multiply
    91,449.72x = 126,243.75 × 68,797.35
  4. Step 4: Simplify right side
    91,449.72x = 8,685,235,454.06
  5. Step 5: Solve for x
    x = 8,685,235,454.06/91,449.72
  6. Step 6: Final answer
    x = 94,972.79

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1.5x scale

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.