Home / 89,232.84-133,861.61-30,085.43

Finding the Fourth Proportional to 89,232.84, 133,861.61 and 30,085.43

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Solution

The fourth proportional to 89,232.84, 133,861.61 and 30,085.43 is: 45,132.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,232.84 : 133,861.61 = 30,085.43 : x
  2. Step 2: Convert to fraction form
    89,232.84/133,861.61 = 30,085.43/x
  3. Step 3: Cross multiply
    89,232.84x = 133,861.61 × 30,085.43
  4. Step 4: Simplify right side
    89,232.84x = 4,027,283,277.61
  5. Step 5: Solve for x
    x = 4,027,283,277.61/89,232.84
  6. Step 6: Final answer
    x = 45,132.30

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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.