Home / 74,157.92-102,338.10-40,166.27

Finding the Fourth Proportional to 74,157.92, 102,338.10 and 40,166.27

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Solution

The fourth proportional to 74,157.92, 102,338.10 and 40,166.27 is: 55,429.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,157.92 : 102,338.10 = 40,166.27 : x
  2. Step 2: Convert to fraction form
    74,157.92/102,338.10 = 40,166.27/x
  3. Step 3: Cross multiply
    74,157.92x = 102,338.10 × 40,166.27
  4. Step 4: Simplify right side
    74,157.92x = 4,110,539,755.89
  5. Step 5: Solve for x
    x = 4,110,539,755.89/74,157.92
  6. Step 6: Final answer
    x = 55,429.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.