Home / 109,319.22-163,942.10-41,835.50

Finding the Fourth Proportional to 109,319.22, 163,942.10 and 41,835.50

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Solution

The fourth proportional to 109,319.22, 163,942.10 and 41,835.50 is: 62,739.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,319.22 : 163,942.10 = 41,835.50 : x
  2. Step 2: Convert to fraction form
    109,319.22/163,942.10 = 41,835.50/x
  3. Step 3: Cross multiply
    109,319.22x = 163,942.10 × 41,835.50
  4. Step 4: Simplify right side
    109,319.22x = 6,858,599,724.55
  5. Step 5: Solve for x
    x = 6,858,599,724.55/109,319.22
  6. Step 6: Final answer
    x = 62,739.19

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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.