Home / 112,213.42-168,174.66-45,575.50

Finding the Fourth Proportional to 112,213.42, 168,174.66 and 45,575.50

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Solution

The fourth proportional to 112,213.42, 168,174.66 and 45,575.50 is: 68,304.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,213.42 : 168,174.66 = 45,575.50 : x
  2. Step 2: Convert to fraction form
    112,213.42/168,174.66 = 45,575.50/x
  3. Step 3: Cross multiply
    112,213.42x = 168,174.66 × 45,575.50
  4. Step 4: Simplify right side
    112,213.42x = 7,664,644,216.83
  5. Step 5: Solve for x
    x = 7,664,644,216.83/112,213.42
  6. Step 6: Final answer
    x = 68,304.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.