Home / 119,715.32-165,213.24-68,727.68

Finding the Fourth Proportional to 119,715.32, 165,213.24 and 68,727.68

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Solution

The fourth proportional to 119,715.32, 165,213.24 and 68,727.68 is: 94,847.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,715.32 : 165,213.24 = 68,727.68 : x
  2. Step 2: Convert to fraction form
    119,715.32/165,213.24 = 68,727.68/x
  3. Step 3: Cross multiply
    119,715.32x = 165,213.24 × 68,727.68
  4. Step 4: Simplify right side
    119,715.32x = 11,354,722,690.48
  5. Step 5: Solve for x
    x = 11,354,722,690.48/119,715.32
  6. Step 6: Final answer
    x = 94,847.70

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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.