Home / 136,103.97-204,197.40-69,590.82

Finding the Fourth Proportional to 136,103.97, 204,197.40 and 69,590.82

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Solution

The fourth proportional to 136,103.97, 204,197.40 and 69,590.82 is: 104,407.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,103.97 : 204,197.40 = 69,590.82 : x
  2. Step 2: Convert to fraction form
    136,103.97/204,197.40 = 69,590.82/x
  3. Step 3: Cross multiply
    136,103.97x = 204,197.40 × 69,590.82
  4. Step 4: Simplify right side
    136,103.97x = 14,210,264,507.87
  5. Step 5: Solve for x
    x = 14,210,264,507.87/136,103.97
  6. Step 6: Final answer
    x = 104,407.42

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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.