Home / 74,199.96-102,396.31-40,208.44

Finding the Fourth Proportional to 74,199.96, 102,396.31 and 40,208.44

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Solution

The fourth proportional to 74,199.96, 102,396.31 and 40,208.44 is: 55,487.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,199.96 : 102,396.31 = 40,208.44 : x
  2. Step 2: Convert to fraction form
    74,199.96/102,396.31 = 40,208.44/x
  3. Step 3: Cross multiply
    74,199.96x = 102,396.31 × 40,208.44
  4. Step 4: Simplify right side
    74,199.96x = 4,117,195,886.86
  5. Step 5: Solve for x
    x = 4,117,195,886.86/74,199.96
  6. Step 6: Final answer
    x = 55,487.85

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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.