Home / 106,650.15-147,185.91-61,342.80

Finding the Fourth Proportional to 106,650.15, 147,185.91 and 61,342.80

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Solution

The fourth proportional to 106,650.15, 147,185.91 and 61,342.80 is: 84,658.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,650.15 : 147,185.91 = 61,342.80 : x
  2. Step 2: Convert to fraction form
    106,650.15/147,185.91 = 61,342.80/x
  3. Step 3: Cross multiply
    106,650.15x = 147,185.91 × 61,342.80
  4. Step 4: Simplify right side
    106,650.15x = 9,028,795,839.95
  5. Step 5: Solve for x
    x = 9,028,795,839.95/106,650.15
  6. Step 6: Final answer
    x = 84,658.07

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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.