Home / 103,564.66-155,012.85-53,575.93

Finding the Fourth Proportional to 103,564.66, 155,012.85 and 53,575.93

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Solution

The fourth proportional to 103,564.66, 155,012.85 and 53,575.93 is: 80,191.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,564.66 : 155,012.85 = 53,575.93 : x
  2. Step 2: Convert to fraction form
    103,564.66/155,012.85 = 53,575.93/x
  3. Step 3: Cross multiply
    103,564.66x = 155,012.85 × 53,575.93
  4. Step 4: Simplify right side
    103,564.66x = 8,304,957,600.70
  5. Step 5: Solve for x
    x = 8,304,957,600.70/103,564.66
  6. Step 6: Final answer
    x = 80,191.04

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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.