Home / 89,234.02-133,863.38-30,086.61

Finding the Fourth Proportional to 89,234.02, 133,863.38 and 30,086.61

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Solution

The fourth proportional to 89,234.02, 133,863.38 and 30,086.61 is: 45,134.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,234.02 : 133,863.38 = 30,086.61 : x
  2. Step 2: Convert to fraction form
    89,234.02/133,863.38 = 30,086.61/x
  3. Step 3: Cross multiply
    89,234.02x = 133,863.38 × 30,086.61
  4. Step 4: Simplify right side
    89,234.02x = 4,027,495,307.34
  5. Step 5: Solve for x
    x = 4,027,495,307.34/89,234.02
  6. Step 6: Final answer
    x = 45,134.08

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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.