Home / 217,165.52-325,637.20-90,771.27

Finding the Fourth Proportional to 217,165.52, 325,637.20 and 90,771.27

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Solution

The fourth proportional to 217,165.52, 325,637.20 and 90,771.27 is: 136,110.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,165.52 : 325,637.20 = 90,771.27 : x
  2. Step 2: Convert to fraction form
    217,165.52/325,637.20 = 90,771.27/x
  3. Step 3: Cross multiply
    217,165.52x = 325,637.20 × 90,771.27
  4. Step 4: Simplify right side
    217,165.52x = 29,558,501,095.57
  5. Step 5: Solve for x
    x = 29,558,501,095.57/217,165.52
  6. Step 6: Final answer
    x = 136,110.47

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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.