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Finding the Fourth Proportional to 181,463.48, 250,446.83 and 130,644.42

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Solution

The fourth proportional to 181,463.48, 250,446.83 and 130,644.42 is: 180,308.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,463.48 : 250,446.83 = 130,644.42 : x
  2. Step 2: Convert to fraction form
    181,463.48/250,446.83 = 130,644.42/x
  3. Step 3: Cross multiply
    181,463.48x = 250,446.83 × 130,644.42
  4. Step 4: Simplify right side
    181,463.48x = 32,719,480,846.19
  5. Step 5: Solve for x
    x = 32,719,480,846.19/181,463.48
  6. Step 6: Final answer
    x = 180,308.90

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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.