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Finding the Fourth Proportional to 92,254.37, 137,876.10 and 67,346.87

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Solution

The fourth proportional to 92,254.37, 137,876.10 and 67,346.87 is: 100,651.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,254.37 : 137,876.10 = 67,346.87 : x
  2. Step 2: Convert to fraction form
    92,254.37/137,876.10 = 67,346.87/x
  3. Step 3: Cross multiply
    92,254.37x = 137,876.10 × 67,346.87
  4. Step 4: Simplify right side
    92,254.37x = 9,285,524,380.05
  5. Step 5: Solve for x
    x = 9,285,524,380.05/92,254.37
  6. Step 6: Final answer
    x = 100,651.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.