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Finding the Fourth Proportional to 181,259.62, 250,142.82 and 100,683.28

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Solution

The fourth proportional to 181,259.62, 250,142.82 and 100,683.28 is: 138,945.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,259.62 : 250,142.82 = 100,683.28 : x
  2. Step 2: Convert to fraction form
    181,259.62/250,142.82 = 100,683.28/x
  3. Step 3: Cross multiply
    181,259.62x = 250,142.82 × 100,683.28
  4. Step 4: Simplify right side
    181,259.62x = 25,185,199,586.05
  5. Step 5: Solve for x
    x = 25,185,199,586.05/181,259.62
  6. Step 6: Final answer
    x = 138,945.45

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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.