Home / 212,679.20-293,517.98-158,870.80

Finding the Fourth Proportional to 212,679.20, 293,517.98 and 158,870.80

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Solution

The fourth proportional to 212,679.20, 293,517.98 and 158,870.80 is: 219,257.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,679.20 : 293,517.98 = 158,870.80 : x
  2. Step 2: Convert to fraction form
    212,679.20/293,517.98 = 158,870.80/x
  3. Step 3: Cross multiply
    212,679.20x = 293,517.98 × 158,870.80
  4. Step 4: Simplify right side
    212,679.20x = 46,631,434,768.84
  5. Step 5: Solve for x
    x = 46,631,434,768.84/212,679.20
  6. Step 6: Final answer
    x = 219,257.15

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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.