Home / 101,318.20-151,977.42-26,438.29

Finding the Fourth Proportional to 101,318.20, 151,977.42 and 26,438.29

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Solution

The fourth proportional to 101,318.20, 151,977.42 and 26,438.29 is: 39,657.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,318.20 : 151,977.42 = 26,438.29 : x
  2. Step 2: Convert to fraction form
    101,318.20/151,977.42 = 26,438.29/x
  3. Step 3: Cross multiply
    101,318.20x = 151,977.42 × 26,438.29
  4. Step 4: Simplify right side
    101,318.20x = 4,018,023,103.41
  5. Step 5: Solve for x
    x = 4,018,023,103.41/101,318.20
  6. Step 6: Final answer
    x = 39,657.47

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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.