Home / 212,490.60-293,286.82-121,844.92

Finding the Fourth Proportional to 212,490.60, 293,286.82 and 121,844.92

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Solution

The fourth proportional to 212,490.60, 293,286.82 and 121,844.92 is: 168,174.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,490.60 : 293,286.82 = 121,844.92 : x
  2. Step 2: Convert to fraction form
    212,490.60/293,286.82 = 121,844.92/x
  3. Step 3: Cross multiply
    212,490.60x = 293,286.82 × 121,844.92
  4. Step 4: Simplify right side
    212,490.60x = 35,735,509,119.95
  5. Step 5: Solve for x
    x = 35,735,509,119.95/212,490.60
  6. Step 6: Final answer
    x = 168,174.54

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1.5x scale

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.