Home / 146,318.20-201,933.96-105,515.86

Finding the Fourth Proportional to 146,318.20, 201,933.96 and 105,515.86

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Solution

The fourth proportional to 146,318.20, 201,933.96 and 105,515.86 is: 145,622.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,318.20 : 201,933.96 = 105,515.86 : x
  2. Step 2: Convert to fraction form
    146,318.20/201,933.96 = 105,515.86/x
  3. Step 3: Cross multiply
    146,318.20x = 201,933.96 × 105,515.86
  4. Step 4: Simplify right side
    146,318.20x = 21,307,235,452.61
  5. Step 5: Solve for x
    x = 21,307,235,452.61/146,318.20
  6. Step 6: Final answer
    x = 145,622.59

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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.