Home / 136,320.15-204,507.91-57,434.38

Finding the Fourth Proportional to 136,320.15, 204,507.91 and 57,434.38

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Solution

The fourth proportional to 136,320.15, 204,507.91 and 57,434.38 is: 86,163.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,320.15 : 204,507.91 = 57,434.38 : x
  2. Step 2: Convert to fraction form
    136,320.15/204,507.91 = 57,434.38/x
  3. Step 3: Cross multiply
    136,320.15x = 204,507.91 × 57,434.38
  4. Step 4: Simplify right side
    136,320.15x = 11,745,784,662.14
  5. Step 5: Solve for x
    x = 11,745,784,662.14/136,320.15
  6. Step 6: Final answer
    x = 86,163.23

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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.