Home / 212,845.92-293,753.94-122,230.20

Finding the Fourth Proportional to 212,845.92, 293,753.94 and 122,230.20

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Solution

The fourth proportional to 212,845.92, 293,753.94 and 122,230.20 is: 168,692.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,845.92 : 293,753.94 = 122,230.20 : x
  2. Step 2: Convert to fraction form
    212,845.92/293,753.94 = 122,230.20/x
  3. Step 3: Cross multiply
    212,845.92x = 293,753.94 × 122,230.20
  4. Step 4: Simplify right side
    212,845.92x = 35,905,602,836.99
  5. Step 5: Solve for x
    x = 35,905,602,836.99/212,845.92
  6. Step 6: Final answer
    x = 168,692.93

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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.