Home / 145,464.08-200,738.00-80,932.64

Finding the Fourth Proportional to 145,464.08, 200,738.00 and 80,932.64

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Solution

The fourth proportional to 145,464.08, 200,738.00 and 80,932.64 is: 111,685.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,464.08 : 200,738.00 = 80,932.64 : x
  2. Step 2: Convert to fraction form
    145,464.08/200,738.00 = 80,932.64/x
  3. Step 3: Cross multiply
    145,464.08x = 200,738.00 × 80,932.64
  4. Step 4: Simplify right side
    145,464.08x = 16,246,255,486.96
  5. Step 5: Solve for x
    x = 16,246,255,486.96/145,464.08
  6. Step 6: Final answer
    x = 111,685.69

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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.