Home / 194,647.91-268,215.44-143,579.70

Finding the Fourth Proportional to 194,647.91, 268,215.44 and 143,579.70

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Solution

The fourth proportional to 194,647.91, 268,215.44 and 143,579.70 is: 197,845.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,647.91 : 268,215.44 = 143,579.70 : x
  2. Step 2: Convert to fraction form
    194,647.91/268,215.44 = 143,579.70/x
  3. Step 3: Cross multiply
    194,647.91x = 268,215.44 × 143,579.70
  4. Step 4: Simplify right side
    194,647.91x = 38,510,291,692.67
  5. Step 5: Solve for x
    x = 38,510,291,692.67/194,647.91
  6. Step 6: Final answer
    x = 197,845.91

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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.