Home / 136,286.10-204,429.15-69,704.10

Finding the Fourth Proportional to 136,286.10, 204,429.15 and 69,704.10

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Solution

The fourth proportional to 136,286.10, 204,429.15 and 69,704.10 is: 104,556.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,286.10 : 204,429.15 = 69,704.10 : x
  2. Step 2: Convert to fraction form
    136,286.10/204,429.15 = 69,704.10/x
  3. Step 3: Cross multiply
    136,286.10x = 204,429.15 × 69,704.10
  4. Step 4: Simplify right side
    136,286.10x = 14,249,549,914.52
  5. Step 5: Solve for x
    x = 14,249,549,914.52/136,286.10
  6. Step 6: Final answer
    x = 104,556.15

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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.