Home / 212,522.19-293,269.32-121,873.83

Finding the Fourth Proportional to 212,522.19, 293,269.32 and 121,873.83

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Solution

The fourth proportional to 212,522.19, 293,269.32 and 121,873.83 is: 168,179.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,522.19 : 293,269.32 = 121,873.83 : x
  2. Step 2: Convert to fraction form
    212,522.19/293,269.32 = 121,873.83/x
  3. Step 3: Cross multiply
    212,522.19x = 293,269.32 × 121,873.83
  4. Step 4: Simplify right side
    212,522.19x = 35,741,855,249.90
  5. Step 5: Solve for x
    x = 35,741,855,249.90/212,522.19
  6. Step 6: Final answer
    x = 168,179.40

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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.