Home / 92,724.33-139,112.42-30,438.57

Finding the Fourth Proportional to 92,724.33, 139,112.42 and 30,438.57

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Solution

The fourth proportional to 92,724.33, 139,112.42 and 30,438.57 is: 45,666.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,724.33 : 139,112.42 = 30,438.57 : x
  2. Step 2: Convert to fraction form
    92,724.33/139,112.42 = 30,438.57/x
  3. Step 3: Cross multiply
    92,724.33x = 139,112.42 × 30,438.57
  4. Step 4: Simplify right side
    92,724.33x = 4,234,382,981.85
  5. Step 5: Solve for x
    x = 4,234,382,981.85/92,724.33
  6. Step 6: Final answer
    x = 45,666.36

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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.