Home / 136,249.10-204,165.45-57,320.06

Finding the Fourth Proportional to 136,249.10, 204,165.45 and 57,320.06

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Solution

The fourth proportional to 136,249.10, 204,165.45 and 57,320.06 is: 85,892.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,249.10 : 204,165.45 = 57,320.06 : x
  2. Step 2: Convert to fraction form
    136,249.10/204,165.45 = 57,320.06/x
  3. Step 3: Cross multiply
    136,249.10x = 204,165.45 × 57,320.06
  4. Step 4: Simplify right side
    136,249.10x = 11,702,775,843.93
  5. Step 5: Solve for x
    x = 11,702,775,843.93/136,249.10
  6. Step 6: Final answer
    x = 85,892.50

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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.