Home / 212,722.28-293,564.10-115,934.21

Finding the Fourth Proportional to 212,722.28, 293,564.10 and 115,934.21

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Solution

The fourth proportional to 212,722.28, 293,564.10 and 115,934.21 is: 159,993.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,722.28 : 293,564.10 = 115,934.21 : x
  2. Step 2: Convert to fraction form
    212,722.28/293,564.10 = 115,934.21/x
  3. Step 3: Cross multiply
    212,722.28x = 293,564.10 × 115,934.21
  4. Step 4: Simplify right side
    212,722.28x = 34,034,120,550.04
  5. Step 5: Solve for x
    x = 34,034,120,550.04/212,722.28
  6. Step 6: Final answer
    x = 159,993.21

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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.