Home / 217,724.94-326,608.07-84,615.48

Finding the Fourth Proportional to 217,724.94, 326,608.07 and 84,615.48

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Solution

The fourth proportional to 217,724.94, 326,608.07 and 84,615.48 is: 126,931.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,724.94 : 326,608.07 = 84,615.48 : x
  2. Step 2: Convert to fraction form
    217,724.94/326,608.07 = 84,615.48/x
  3. Step 3: Cross multiply
    217,724.94x = 326,608.07 × 84,615.48
  4. Step 4: Simplify right side
    217,724.94x = 27,636,098,191.85
  5. Step 5: Solve for x
    x = 27,636,098,191.85/217,724.94
  6. Step 6: Final answer
    x = 126,931.25

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1.5x scale

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.