Home / 74,190.42-102,418.25-42,353.16

Finding the Fourth Proportional to 74,190.42, 102,418.25 and 42,353.16

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Solution

The fourth proportional to 74,190.42, 102,418.25 and 42,353.16 is: 58,467.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,190.42 : 102,418.25 = 42,353.16 : x
  2. Step 2: Convert to fraction form
    74,190.42/102,418.25 = 42,353.16/x
  3. Step 3: Cross multiply
    74,190.42x = 102,418.25 × 42,353.16
  4. Step 4: Simplify right side
    74,190.42x = 4,337,736,317.40
  5. Step 5: Solve for x
    x = 4,337,736,317.40/74,190.42
  6. Step 6: Final answer
    x = 58,467.61

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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.