Home / 118,268.12-177,455.02-64,249.22

Finding the Fourth Proportional to 118,268.12, 177,455.02 and 64,249.22

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Solution

The fourth proportional to 118,268.12, 177,455.02 and 64,249.22 is: 96,402.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,268.12 : 177,455.02 = 64,249.22 : x
  2. Step 2: Convert to fraction form
    118,268.12/177,455.02 = 64,249.22/x
  3. Step 3: Cross multiply
    118,268.12x = 177,455.02 × 64,249.22
  4. Step 4: Simplify right side
    118,268.12x = 11,401,346,620.08
  5. Step 5: Solve for x
    x = 11,401,346,620.08/118,268.12
  6. Step 6: Final answer
    x = 96,402.54

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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.