Home / 123,845.12-170,907.52-67,257.60

Finding the Fourth Proportional to 123,845.12, 170,907.52 and 67,257.60

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Solution

The fourth proportional to 123,845.12, 170,907.52 and 67,257.60 is: 92,816.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,845.12 : 170,907.52 = 67,257.60 : x
  2. Step 2: Convert to fraction form
    123,845.12/170,907.52 = 67,257.60/x
  3. Step 3: Cross multiply
    123,845.12x = 170,907.52 × 67,257.60
  4. Step 4: Simplify right side
    123,845.12x = 11,494,829,617.15
  5. Step 5: Solve for x
    x = 11,494,829,617.15/123,845.12
  6. Step 6: Final answer
    x = 92,816.17

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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.