Home / 102,636.43-153,740.04-82,537.18

Finding the Fourth Proportional to 102,636.43, 153,740.04 and 82,537.18

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Solution

The fourth proportional to 102,636.43, 153,740.04 and 82,537.18 is: 123,633.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,636.43 : 153,740.04 = 82,537.18 : x
  2. Step 2: Convert to fraction form
    102,636.43/153,740.04 = 82,537.18/x
  3. Step 3: Cross multiply
    102,636.43x = 153,740.04 × 82,537.18
  4. Step 4: Simplify right side
    102,636.43x = 12,689,269,354.69
  5. Step 5: Solve for x
    x = 12,689,269,354.69/102,636.43
  6. Step 6: Final answer
    x = 123,633.19

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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.