Home / 140,628.67-194,066.41-76,966.32

Finding the Fourth Proportional to 140,628.67, 194,066.41 and 76,966.32

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Solution

The fourth proportional to 140,628.67, 194,066.41 and 76,966.32 is: 106,212.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,628.67 : 194,066.41 = 76,966.32 : x
  2. Step 2: Convert to fraction form
    140,628.67/194,066.41 = 76,966.32/x
  3. Step 3: Cross multiply
    140,628.67x = 194,066.41 × 76,966.32
  4. Step 4: Simplify right side
    140,628.67x = 14,936,577,413.31
  5. Step 5: Solve for x
    x = 14,936,577,413.31/140,628.67
  6. Step 6: Final answer
    x = 106,212.89

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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.