Home / 212,500.80-293,283.18-161,429.76

Finding the Fourth Proportional to 212,500.80, 293,283.18 and 161,429.76

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Solution

The fourth proportional to 212,500.80, 293,283.18 and 161,429.76 is: 222,797.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,500.80 : 293,283.18 = 161,429.76 : x
  2. Step 2: Convert to fraction form
    212,500.80/293,283.18 = 161,429.76/x
  3. Step 3: Cross multiply
    212,500.80x = 293,283.18 × 161,429.76
  4. Step 4: Simplify right side
    212,500.80x = 47,344,633,359.44
  5. Step 5: Solve for x
    x = 47,344,633,359.44/212,500.80
  6. Step 6: Final answer
    x = 222,797.44

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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.