Home / 54,102.10-81,153.15-14,664.10

Finding the Fourth Proportional to 54,102.10, 81,153.15 and 14,664.10

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Solution

The fourth proportional to 54,102.10, 81,153.15 and 14,664.10 is: 21,996.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,102.10 : 81,153.15 = 14,664.10 : x
  2. Step 2: Convert to fraction form
    54,102.10/81,153.15 = 14,664.10/x
  3. Step 3: Cross multiply
    54,102.10x = 81,153.15 × 14,664.10
  4. Step 4: Simplify right side
    54,102.10x = 1,190,037,906.92
  5. Step 5: Solve for x
    x = 1,190,037,906.92/54,102.10
  6. Step 6: Final answer
    x = 21,996.15

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1.5x scale

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.