Home / 90,850.37-136,284.62-34,737.66

Finding the Fourth Proportional to 90,850.37, 136,284.62 and 34,737.66

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Solution

The fourth proportional to 90,850.37, 136,284.62 and 34,737.66 is: 52,109.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,850.37 : 136,284.62 = 34,737.66 : x
  2. Step 2: Convert to fraction form
    90,850.37/136,284.62 = 34,737.66/x
  3. Step 3: Cross multiply
    90,850.37x = 136,284.62 × 34,737.66
  4. Step 4: Simplify right side
    90,850.37x = 4,734,208,619.10
  5. Step 5: Solve for x
    x = 4,734,208,619.10/90,850.37
  6. Step 6: Final answer
    x = 52,109.96

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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.