Home / 92,722.05-139,083.55-39,400.29

Finding the Fourth Proportional to 92,722.05, 139,083.55 and 39,400.29

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Solution

The fourth proportional to 92,722.05, 139,083.55 and 39,400.29 is: 59,100.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,722.05 : 139,083.55 = 39,400.29 : x
  2. Step 2: Convert to fraction form
    92,722.05/139,083.55 = 39,400.29/x
  3. Step 3: Cross multiply
    92,722.05x = 139,083.55 × 39,400.29
  4. Step 4: Simplify right side
    92,722.05x = 5,479,932,105.73
  5. Step 5: Solve for x
    x = 5,479,932,105.73/92,722.05
  6. Step 6: Final answer
    x = 59,100.64

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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.