Home / 124,976.79-172,467.51-67,616.28

Finding the Fourth Proportional to 124,976.79, 172,467.51 and 67,616.28

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Solution

The fourth proportional to 124,976.79, 172,467.51 and 67,616.28 is: 93,310.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,976.79 : 172,467.51 = 67,616.28 : x
  2. Step 2: Convert to fraction form
    124,976.79/172,467.51 = 67,616.28/x
  3. Step 3: Cross multiply
    124,976.79x = 172,467.51 × 67,616.28
  4. Step 4: Simplify right side
    124,976.79x = 11,661,611,447.06
  5. Step 5: Solve for x
    x = 11,661,611,447.06/124,976.79
  6. Step 6: Final answer
    x = 93,310.22

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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.