Home / 84,137.61-126,265.49-76,097.82

Finding the Fourth Proportional to 84,137.61, 126,265.49 and 76,097.82

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Solution

The fourth proportional to 84,137.61, 126,265.49 and 76,097.82 is: 114,200.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,137.61 : 126,265.49 = 76,097.82 : x
  2. Step 2: Convert to fraction form
    84,137.61/126,265.49 = 76,097.82/x
  3. Step 3: Cross multiply
    84,137.61x = 126,265.49 × 76,097.82
  4. Step 4: Simplify right side
    84,137.61x = 9,608,528,908.61
  5. Step 5: Solve for x
    x = 9,608,528,908.61/84,137.61
  6. Step 6: Final answer
    x = 114,200.16

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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.