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Finding the Fourth Proportional to 148,229.08, 204,554.10 and 81,161.08

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Solution

The fourth proportional to 148,229.08, 204,554.10 and 81,161.08 is: 112,001.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,229.08 : 204,554.10 = 81,161.08 : x
  2. Step 2: Convert to fraction form
    148,229.08/204,554.10 = 81,161.08/x
  3. Step 3: Cross multiply
    148,229.08x = 204,554.10 × 81,161.08
  4. Step 4: Simplify right side
    148,229.08x = 16,601,831,674.43
  5. Step 5: Solve for x
    x = 16,601,831,674.43/148,229.08
  6. Step 6: Final answer
    x = 112,001.18

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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.