Home / 108,134.12-149,198.82-63,413.48

Finding the Fourth Proportional to 108,134.12, 149,198.82 and 63,413.48

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Solution

The fourth proportional to 108,134.12, 149,198.82 and 63,413.48 is: 87,495.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,134.12 : 149,198.82 = 63,413.48 : x
  2. Step 2: Convert to fraction form
    108,134.12/149,198.82 = 63,413.48/x
  3. Step 3: Cross multiply
    108,134.12x = 149,198.82 × 63,413.48
  4. Step 4: Simplify right side
    108,134.12x = 9,461,216,388.09
  5. Step 5: Solve for x
    x = 9,461,216,388.09/108,134.12
  6. Step 6: Final answer
    x = 87,495.20

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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.