Home / 74,190.21-102,380.26-42,352.89

Finding the Fourth Proportional to 74,190.21, 102,380.26 and 42,352.89

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Solution

The fourth proportional to 74,190.21, 102,380.26 and 42,352.89 is: 58,445.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,190.21 : 102,380.26 = 42,352.89 : x
  2. Step 2: Convert to fraction form
    74,190.21/102,380.26 = 42,352.89/x
  3. Step 3: Cross multiply
    74,190.21x = 102,380.26 × 42,352.89
  4. Step 4: Simplify right side
    74,190.21x = 4,336,099,889.95
  5. Step 5: Solve for x
    x = 4,336,099,889.95/74,190.21
  6. Step 6: Final answer
    x = 58,445.72

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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.