Home / 124,676.39-172,054.05-68,087.77

Finding the Fourth Proportional to 124,676.39, 172,054.05 and 68,087.77

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Solution

The fourth proportional to 124,676.39, 172,054.05 and 68,087.77 is: 93,961.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,676.39 : 172,054.05 = 68,087.77 : x
  2. Step 2: Convert to fraction form
    124,676.39/172,054.05 = 68,087.77/x
  3. Step 3: Cross multiply
    124,676.39x = 172,054.05 × 68,087.77
  4. Step 4: Simplify right side
    124,676.39x = 11,714,776,583.97
  5. Step 5: Solve for x
    x = 11,714,776,583.97/124,676.39
  6. Step 6: Final answer
    x = 93,961.47

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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.