Home / 215,922.51-324,028.35-75,681.14

Finding the Fourth Proportional to 215,922.51, 324,028.35 and 75,681.14

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Solution

The fourth proportional to 215,922.51, 324,028.35 and 75,681.14 is: 113,572.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,922.51 : 324,028.35 = 75,681.14 : x
  2. Step 2: Convert to fraction form
    215,922.51/324,028.35 = 75,681.14/x
  3. Step 3: Cross multiply
    215,922.51x = 324,028.35 × 75,681.14
  4. Step 4: Simplify right side
    215,922.51x = 24,522,833,300.18
  5. Step 5: Solve for x
    x = 24,522,833,300.18/215,922.51
  6. Step 6: Final answer
    x = 113,572.38

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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.