Home / 145,505.52-200,795.58-81,843.39

Finding the Fourth Proportional to 145,505.52, 200,795.58 and 81,843.39

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Solution

The fourth proportional to 145,505.52, 200,795.58 and 81,843.39 is: 112,942.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,505.52 : 200,795.58 = 81,843.39 : x
  2. Step 2: Convert to fraction form
    145,505.52/200,795.58 = 81,843.39/x
  3. Step 3: Cross multiply
    145,505.52x = 200,795.58 × 81,843.39
  4. Step 4: Simplify right side
    145,505.52x = 16,433,790,964.22
  5. Step 5: Solve for x
    x = 16,433,790,964.22/145,505.52
  6. Step 6: Final answer
    x = 112,942.73

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1.5x scale

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.