Home / 105,114.11-145,056.42-57,367.04

Finding the Fourth Proportional to 105,114.11, 145,056.42 and 57,367.04

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Solution

The fourth proportional to 105,114.11, 145,056.42 and 57,367.04 is: 79,165.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,114.11 : 145,056.42 = 57,367.04 : x
  2. Step 2: Convert to fraction form
    105,114.11/145,056.42 = 57,367.04/x
  3. Step 3: Cross multiply
    105,114.11x = 145,056.42 × 57,367.04
  4. Step 4: Simplify right side
    105,114.11x = 8,321,456,723.11
  5. Step 5: Solve for x
    x = 8,321,456,723.11/105,114.11
  6. Step 6: Final answer
    x = 79,165.94

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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.