Home / 202,327.12-279,211.44-111,683.10

Finding the Fourth Proportional to 202,327.12, 279,211.44 and 111,683.10

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Solution

The fourth proportional to 202,327.12, 279,211.44 and 111,683.10 is: 154,122.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,327.12 : 279,211.44 = 111,683.10 : x
  2. Step 2: Convert to fraction form
    202,327.12/279,211.44 = 111,683.10/x
  3. Step 3: Cross multiply
    202,327.12x = 279,211.44 × 111,683.10
  4. Step 4: Simplify right side
    202,327.12x = 31,183,199,174.66
  5. Step 5: Solve for x
    x = 31,183,199,174.66/202,327.12
  6. Step 6: Final answer
    x = 154,122.69

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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.