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Finding the Fourth Proportional to 134,820, 202,230 and 36,324

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Solution

The fourth proportional to 134,820, 202,230 and 36,324 is: 54,486

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,820 : 202,230 = 36,324 : x
  2. Step 2: Convert to fraction form
    134,820/202,230 = 36,324/x
  3. Step 3: Cross multiply
    134,820x = 202,230 × 36,324
  4. Step 4: Simplify right side
    134,820x = 7,345,802,520
  5. Step 5: Solve for x
    x = 7,345,802,520/134,820
  6. Step 6: Final answer
    x = 54,486

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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.