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Finding the Fourth Proportional to 181,513.76, 250,469.80 and 100,928.27

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Solution

The fourth proportional to 181,513.76, 250,469.80 and 100,928.27 is: 139,270.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,513.76 : 250,469.80 = 100,928.27 : x
  2. Step 2: Convert to fraction form
    181,513.76/250,469.80 = 100,928.27/x
  3. Step 3: Cross multiply
    181,513.76x = 250,469.80 × 100,928.27
  4. Step 4: Simplify right side
    181,513.76x = 25,279,483,975.10
  5. Step 5: Solve for x
    x = 25,279,483,975.10/181,513.76
  6. Step 6: Final answer
    x = 139,270.35

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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.