Home / 103,923.18-155,822.28-40,667.85

Finding the Fourth Proportional to 103,923.18, 155,822.28 and 40,667.85

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Solution

The fourth proportional to 103,923.18, 155,822.28 and 40,667.85 is: 60,977.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,923.18 : 155,822.28 = 40,667.85 : x
  2. Step 2: Convert to fraction form
    103,923.18/155,822.28 = 40,667.85/x
  3. Step 3: Cross multiply
    103,923.18x = 155,822.28 × 40,667.85
  4. Step 4: Simplify right side
    103,923.18x = 6,336,957,109.70
  5. Step 5: Solve for x
    x = 6,336,957,109.70/103,923.18
  6. Step 6: Final answer
    x = 60,977.32

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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.