Home / 106,235.86-146,607.37-57,839.20

Finding the Fourth Proportional to 106,235.86, 146,607.37 and 57,839.20

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Solution

The fourth proportional to 106,235.86, 146,607.37 and 57,839.20 is: 79,819.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,235.86 : 146,607.37 = 57,839.20 : x
  2. Step 2: Convert to fraction form
    106,235.86/146,607.37 = 57,839.20/x
  3. Step 3: Cross multiply
    106,235.86x = 146,607.37 × 57,839.20
  4. Step 4: Simplify right side
    106,235.86x = 8,479,652,994.90
  5. Step 5: Solve for x
    x = 8,479,652,994.90/106,235.86
  6. Step 6: Final answer
    x = 79,819.12

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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.