Home / 109,664.64-151,336.44-61,933.68

Finding the Fourth Proportional to 109,664.64, 151,336.44 and 61,933.68

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Solution

The fourth proportional to 109,664.64, 151,336.44 and 61,933.68 is: 85,468.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,664.64 : 151,336.44 = 61,933.68 : x
  2. Step 2: Convert to fraction form
    109,664.64/151,336.44 = 61,933.68/x
  3. Step 3: Cross multiply
    109,664.64x = 151,336.44 × 61,933.68
  4. Step 4: Simplify right side
    109,664.64x = 9,372,822,647.30
  5. Step 5: Solve for x
    x = 9,372,822,647.30/109,664.64
  6. Step 6: Final answer
    x = 85,468.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.