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Finding the Fourth Proportional to 183,142.66, 252,724.62 and 101,465.42

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Solution

The fourth proportional to 183,142.66, 252,724.62 and 101,465.42 is: 140,015.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,142.66 : 252,724.62 = 101,465.42 : x
  2. Step 2: Convert to fraction form
    183,142.66/252,724.62 = 101,465.42/x
  3. Step 3: Cross multiply
    183,142.66x = 252,724.62 × 101,465.42
  4. Step 4: Simplify right side
    183,142.66x = 25,642,809,712.64
  5. Step 5: Solve for x
    x = 25,642,809,712.64/183,142.66
  6. Step 6: Final answer
    x = 140,015.49

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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.