Home / 124,770.39-172,187.40-68,185.41

Finding the Fourth Proportional to 124,770.39, 172,187.40 and 68,185.41

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Solution

The fourth proportional to 124,770.39, 172,187.40 and 68,185.41 is: 94,098.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,770.39 : 172,187.40 = 68,185.41 : x
  2. Step 2: Convert to fraction form
    124,770.39/172,187.40 = 68,185.41/x
  3. Step 3: Cross multiply
    124,770.39x = 172,187.40 × 68,185.41
  4. Step 4: Simplify right side
    124,770.39x = 11,740,668,465.83
  5. Step 5: Solve for x
    x = 11,740,668,465.83/124,770.39
  6. Step 6: Final answer
    x = 94,098.19

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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.