Home / 143,592.13-198,175.71-82,362.21

Finding the Fourth Proportional to 143,592.13, 198,175.71 and 82,362.21

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Solution

The fourth proportional to 143,592.13, 198,175.71 and 82,362.21 is: 113,670.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,592.13 : 198,175.71 = 82,362.21 : x
  2. Step 2: Convert to fraction form
    143,592.13/198,175.71 = 82,362.21/x
  3. Step 3: Cross multiply
    143,592.13x = 198,175.71 × 82,362.21
  4. Step 4: Simplify right side
    143,592.13x = 16,322,189,443.92
  5. Step 5: Solve for x
    x = 16,322,189,443.92/143,592.13
  6. Step 6: Final answer
    x = 113,670.50

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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.