Home / 89,176.75-133,784.87-30,010.50

Finding the Fourth Proportional to 89,176.75, 133,784.87 and 30,010.50

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Solution

The fourth proportional to 89,176.75, 133,784.87 and 30,010.50 is: 45,022.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,176.75 : 133,784.87 = 30,010.50 : x
  2. Step 2: Convert to fraction form
    89,176.75/133,784.87 = 30,010.50/x
  3. Step 3: Cross multiply
    89,176.75x = 133,784.87 × 30,010.50
  4. Step 4: Simplify right side
    89,176.75x = 4,014,950,691.08
  5. Step 5: Solve for x
    x = 4,014,950,691.08/89,176.75
  6. Step 6: Final answer
    x = 45,022.39

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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.