Home / 124,981.37-172,474.31-68,392.75

Finding the Fourth Proportional to 124,981.37, 172,474.31 and 68,392.75

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Solution

The fourth proportional to 124,981.37, 172,474.31 and 68,392.75 is: 94,382.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,981.37 : 172,474.31 = 68,392.75 : x
  2. Step 2: Convert to fraction form
    124,981.37/172,474.31 = 68,392.75/x
  3. Step 3: Cross multiply
    124,981.37x = 172,474.31 × 68,392.75
  4. Step 4: Simplify right side
    124,981.37x = 11,795,992,365.25
  5. Step 5: Solve for x
    x = 11,795,992,365.25/124,981.37
  6. Step 6: Final answer
    x = 94,382.01

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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.