Home / 145,906.08-201,338.32-82,259.52

Finding the Fourth Proportional to 145,906.08, 201,338.32 and 82,259.52

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Solution

The fourth proportional to 145,906.08, 201,338.32 and 82,259.52 is: 113,511.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,906.08 : 201,338.32 = 82,259.52 : x
  2. Step 2: Convert to fraction form
    145,906.08/201,338.32 = 82,259.52/x
  3. Step 3: Cross multiply
    145,906.08x = 201,338.32 × 82,259.52
  4. Step 4: Simplify right side
    145,906.08x = 16,561,993,560.81
  5. Step 5: Solve for x
    x = 16,561,993,560.81/145,906.08
  6. Step 6: Final answer
    x = 113,511.33

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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.