Home / 89,187.22-133,801.31-30,021.31

Finding the Fourth Proportional to 89,187.22, 133,801.31 and 30,021.31

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Solution

The fourth proportional to 89,187.22, 133,801.31 and 30,021.31 is: 45,038.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,187.22 : 133,801.31 = 30,021.31 : x
  2. Step 2: Convert to fraction form
    89,187.22/133,801.31 = 30,021.31/x
  3. Step 3: Cross multiply
    89,187.22x = 133,801.31 × 30,021.31
  4. Step 4: Simplify right side
    89,187.22x = 4,016,890,605.92
  5. Step 5: Solve for x
    x = 4,016,890,605.92/89,187.22
  6. Step 6: Final answer
    x = 45,038.86

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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.