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Finding the Fourth Proportional to 181,683.12, 250,728.12 and 110,076.24

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Solution

The fourth proportional to 181,683.12, 250,728.12 and 110,076.24 is: 151,908.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,683.12 : 250,728.12 = 110,076.24 : x
  2. Step 2: Convert to fraction form
    181,683.12/250,728.12 = 110,076.24/x
  3. Step 3: Cross multiply
    181,683.12x = 250,728.12 × 110,076.24
  4. Step 4: Simplify right side
    181,683.12x = 27,599,208,711.87
  5. Step 5: Solve for x
    x = 27,599,208,711.87/181,683.12
  6. Step 6: Final answer
    x = 151,908.49

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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.