Home / 74,125.73-102,293.50-40,134.22

Finding the Fourth Proportional to 74,125.73, 102,293.50 and 40,134.22

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Solution

The fourth proportional to 74,125.73, 102,293.50 and 40,134.22 is: 55,385.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,125.73 : 102,293.50 = 40,134.22 : x
  2. Step 2: Convert to fraction form
    74,125.73/102,293.50 = 40,134.22/x
  3. Step 3: Cross multiply
    74,125.73x = 102,293.50 × 40,134.22
  4. Step 4: Simplify right side
    74,125.73x = 4,105,469,552.75
  5. Step 5: Solve for x
    x = 4,105,469,552.75/74,125.73
  6. Step 6: Final answer
    x = 55,385.21

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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.