Home / 74,034.52-102,170.24-42,198.28

Finding the Fourth Proportional to 74,034.52, 102,170.24 and 42,198.28

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Solution

The fourth proportional to 74,034.52, 102,170.24 and 42,198.28 is: 58,235.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,034.52 : 102,170.24 = 42,198.28 : x
  2. Step 2: Convert to fraction form
    74,034.52/102,170.24 = 42,198.28/x
  3. Step 3: Cross multiply
    74,034.52x = 102,170.24 × 42,198.28
  4. Step 4: Simplify right side
    74,034.52x = 4,311,408,395.19
  5. Step 5: Solve for x
    x = 4,311,408,395.19/74,034.52
  6. Step 6: Final answer
    x = 58,235.11

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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.