Home / 74,028.98-102,160.29-40,037.46

Finding the Fourth Proportional to 74,028.98, 102,160.29 and 40,037.46

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Solution

The fourth proportional to 74,028.98, 102,160.29 and 40,037.46 is: 55,251.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,028.98 : 102,160.29 = 40,037.46 : x
  2. Step 2: Convert to fraction form
    74,028.98/102,160.29 = 40,037.46/x
  3. Step 3: Cross multiply
    74,028.98x = 102,160.29 × 40,037.46
  4. Step 4: Simplify right side
    74,028.98x = 4,090,238,524.46
  5. Step 5: Solve for x
    x = 4,090,238,524.46/74,028.98
  6. Step 6: Final answer
    x = 55,251.86

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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.