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Finding the Fourth Proportional to 92,254.95, 138,356.91 and 36,083.68

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Solution

The fourth proportional to 92,254.95, 138,356.91 and 36,083.68 is: 54,115.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,254.95 : 138,356.91 = 36,083.68 : x
  2. Step 2: Convert to fraction form
    92,254.95/138,356.91 = 36,083.68/x
  3. Step 3: Cross multiply
    92,254.95x = 138,356.91 × 36,083.68
  4. Step 4: Simplify right side
    92,254.95x = 4,992,426,120.34
  5. Step 5: Solve for x
    x = 4,992,426,120.34/92,254.95
  6. Step 6: Final answer
    x = 54,115.54

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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.