Home / 103,684.11-155,404.77-39,600.27

Finding the Fourth Proportional to 103,684.11, 155,404.77 and 39,600.27

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Solution

The fourth proportional to 103,684.11, 155,404.77 and 39,600.27 is: 59,354.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,684.11 : 155,404.77 = 39,600.27 : x
  2. Step 2: Convert to fraction form
    103,684.11/155,404.77 = 39,600.27/x
  3. Step 3: Cross multiply
    103,684.11x = 155,404.77 × 39,600.27
  4. Step 4: Simplify right side
    103,684.11x = 6,154,070,851.29
  5. Step 5: Solve for x
    x = 6,154,070,851.29/103,684.11
  6. Step 6: Final answer
    x = 59,354.04

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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.