Home / 136,357.74-204,568.92-42,863.58

Finding the Fourth Proportional to 136,357.74, 204,568.92 and 42,863.58

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Solution

The fourth proportional to 136,357.74, 204,568.92 and 42,863.58 is: 64,305.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,357.74 : 204,568.92 = 42,863.58 : x
  2. Step 2: Convert to fraction form
    136,357.74/204,568.92 = 42,863.58/x
  3. Step 3: Cross multiply
    136,357.74x = 204,568.92 × 42,863.58
  4. Step 4: Simplify right side
    136,357.74x = 8,768,556,267.93
  5. Step 5: Solve for x
    x = 8,768,556,267.93/136,357.74
  6. Step 6: Final answer
    x = 64,305.53

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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.