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Finding the Fourth Proportional to 169,419.04, 254,127.11 and 43,059.65

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Solution

The fourth proportional to 169,419.04, 254,127.11 and 43,059.65 is: 64,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,419.04 : 254,127.11 = 43,059.65 : x
  2. Step 2: Convert to fraction form
    169,419.04/254,127.11 = 43,059.65/x
  3. Step 3: Cross multiply
    169,419.04x = 254,127.11 × 43,059.65
  4. Step 4: Simplify right side
    169,419.04x = 10,942,622,926.18
  5. Step 5: Solve for x
    x = 10,942,622,926.18/169,419.04
  6. Step 6: Final answer
    x = 64,589.10

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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.