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Finding the Fourth Proportional to 164,612.44, 227,165.21 and 89,160.94

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Solution

The fourth proportional to 164,612.44, 227,165.21 and 89,160.94 is: 123,042.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,612.44 : 227,165.21 = 89,160.94 : x
  2. Step 2: Convert to fraction form
    164,612.44/227,165.21 = 89,160.94/x
  3. Step 3: Cross multiply
    164,612.44x = 227,165.21 × 89,160.94
  4. Step 4: Simplify right side
    164,612.44x = 20,254,263,658.90
  5. Step 5: Solve for x
    x = 20,254,263,658.90/164,612.44
  6. Step 6: Final answer
    x = 123,042.12

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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.