Home / 212,581.20-293,382.78-158,772.84

Finding the Fourth Proportional to 212,581.20, 293,382.78 and 158,772.84

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Solution

The fourth proportional to 212,581.20, 293,382.78 and 158,772.84 is: 219,122.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,581.20 : 293,382.78 = 158,772.84 : x
  2. Step 2: Convert to fraction form
    212,581.20/293,382.78 = 158,772.84/x
  3. Step 3: Cross multiply
    212,581.20x = 293,382.78 × 158,772.84
  4. Step 4: Simplify right side
    212,581.20x = 46,581,217,187.70
  5. Step 5: Solve for x
    x = 46,581,217,187.70/212,581.20
  6. Step 6: Final answer
    x = 219,122.00

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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.