Home / 215,429.31-323,291.57-75,187.93

Finding the Fourth Proportional to 215,429.31, 323,291.57 and 75,187.93

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Solution

The fourth proportional to 215,429.31, 323,291.57 and 75,187.93 is: 112,833.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,429.31 : 323,291.57 = 75,187.93 : x
  2. Step 2: Convert to fraction form
    215,429.31/323,291.57 = 75,187.93/x
  3. Step 3: Cross multiply
    215,429.31x = 323,291.57 × 75,187.93
  4. Step 4: Simplify right side
    215,429.31x = 24,307,623,558.81
  5. Step 5: Solve for x
    x = 24,307,623,558.81/215,429.31
  6. Step 6: Final answer
    x = 112,833.41

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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.