Home / 165,037.57-247,516.53-76,205.68

Finding the Fourth Proportional to 165,037.57, 247,516.53 and 76,205.68

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Solution

The fourth proportional to 165,037.57, 247,516.53 and 76,205.68 is: 114,290.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,037.57 : 247,516.53 = 76,205.68 : x
  2. Step 2: Convert to fraction form
    165,037.57/247,516.53 = 76,205.68/x
  3. Step 3: Cross multiply
    165,037.57x = 247,516.53 × 76,205.68
  4. Step 4: Simplify right side
    165,037.57x = 18,862,165,479.89
  5. Step 5: Solve for x
    x = 18,862,165,479.89/165,037.57
  6. Step 6: Final answer
    x = 114,290.13

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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.