Home / 103,677.62-155,497.59-28,778.94

Finding the Fourth Proportional to 103,677.62, 155,497.59 and 28,778.94

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Solution

The fourth proportional to 103,677.62, 155,497.59 and 28,778.94 is: 43,163.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,677.62 : 155,497.59 = 28,778.94 : x
  2. Step 2: Convert to fraction form
    103,677.62/155,497.59 = 28,778.94/x
  3. Step 3: Cross multiply
    103,677.62x = 155,497.59 × 28,778.94
  4. Step 4: Simplify right side
    103,677.62x = 4,475,055,812.75
  5. Step 5: Solve for x
    x = 4,475,055,812.75/103,677.62
  6. Step 6: Final answer
    x = 43,163.18

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1.5x scale

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.