Home / 106,268.20-159,439.21-47,145.39

Finding the Fourth Proportional to 106,268.20, 159,439.21 and 47,145.39

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Solution

The fourth proportional to 106,268.20, 159,439.21 and 47,145.39 is: 70,734.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,268.20 : 159,439.21 = 47,145.39 : x
  2. Step 2: Convert to fraction form
    106,268.20/159,439.21 = 47,145.39/x
  3. Step 3: Cross multiply
    106,268.20x = 159,439.21 × 47,145.39
  4. Step 4: Simplify right side
    106,268.20x = 7,516,823,736.74
  5. Step 5: Solve for x
    x = 7,516,823,736.74/106,268.20
  6. Step 6: Final answer
    x = 70,734.46

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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.