Home / 89,154.18-133,600.05-39,188.52

Finding the Fourth Proportional to 89,154.18, 133,600.05 and 39,188.52

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Solution

The fourth proportional to 89,154.18, 133,600.05 and 39,188.52 is: 58,725.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,154.18 : 133,600.05 = 39,188.52 : x
  2. Step 2: Convert to fraction form
    89,154.18/133,600.05 = 39,188.52/x
  3. Step 3: Cross multiply
    89,154.18x = 133,600.05 × 39,188.52
  4. Step 4: Simplify right side
    89,154.18x = 5,235,588,231.43
  5. Step 5: Solve for x
    x = 5,235,588,231.43/89,154.18
  6. Step 6: Final answer
    x = 58,725.10

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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.