Home / 74,225.62-102,431.48-40,234.11

Finding the Fourth Proportional to 74,225.62, 102,431.48 and 40,234.11

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Solution

The fourth proportional to 74,225.62, 102,431.48 and 40,234.11 is: 55,523.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,225.62 : 102,431.48 = 40,234.11 : x
  2. Step 2: Convert to fraction form
    74,225.62/102,431.48 = 40,234.11/x
  3. Step 3: Cross multiply
    74,225.62x = 102,431.48 × 40,234.11
  4. Step 4: Simplify right side
    74,225.62x = 4,121,239,433.78
  5. Step 5: Solve for x
    x = 4,121,239,433.78/74,225.62
  6. Step 6: Final answer
    x = 55,523.14

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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.