Home / 74,229.96-102,437.11-40,238.58

Finding the Fourth Proportional to 74,229.96, 102,437.11 and 40,238.58

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Solution

The fourth proportional to 74,229.96, 102,437.11 and 40,238.58 is: 55,529.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,229.96 : 102,437.11 = 40,238.58 : x
  2. Step 2: Convert to fraction form
    74,229.96/102,437.11 = 40,238.58/x
  3. Step 3: Cross multiply
    74,229.96x = 102,437.11 × 40,238.58
  4. Step 4: Simplify right side
    74,229.96x = 4,121,923,644.51
  5. Step 5: Solve for x
    x = 4,121,923,644.51/74,229.96
  6. Step 6: Final answer
    x = 55,529.11

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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.