Home / 89,233.02-133,861.88-30,085.61

Finding the Fourth Proportional to 89,233.02, 133,861.88 and 30,085.61

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Solution

The fourth proportional to 89,233.02, 133,861.88 and 30,085.61 is: 45,132.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,233.02 : 133,861.88 = 30,085.61 : x
  2. Step 2: Convert to fraction form
    89,233.02/133,861.88 = 30,085.61/x
  3. Step 3: Cross multiply
    89,233.02x = 133,861.88 × 30,085.61
  4. Step 4: Simplify right side
    89,233.02x = 4,027,315,721.45
  5. Step 5: Solve for x
    x = 4,027,315,721.45/89,233.02
  6. Step 6: Final answer
    x = 45,132.57

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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.