Home / 121,735.80-182,618.28-51,606

Finding the Fourth Proportional to 121,735.80, 182,618.28 and 51,606

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Solution

The fourth proportional to 121,735.80, 182,618.28 and 51,606 is: 77,415.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,735.80 : 182,618.28 = 51,606 : x
  2. Step 2: Convert to fraction form
    121,735.80/182,618.28 = 51,606/x
  3. Step 3: Cross multiply
    121,735.80x = 182,618.28 × 51,606
  4. Step 4: Simplify right side
    121,735.80x = 9,424,198,957.68
  5. Step 5: Solve for x
    x = 9,424,198,957.68/121,735.80
  6. Step 6: Final answer
    x = 77,415.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.