Home / 127,723.14-176,265.99-71,134.38

Finding the Fourth Proportional to 127,723.14, 176,265.99 and 71,134.38

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Solution

The fourth proportional to 127,723.14, 176,265.99 and 71,134.38 is: 98,169.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,723.14 : 176,265.99 = 71,134.38 : x
  2. Step 2: Convert to fraction form
    127,723.14/176,265.99 = 71,134.38/x
  3. Step 3: Cross multiply
    127,723.14x = 176,265.99 × 71,134.38
  4. Step 4: Simplify right side
    127,723.14x = 12,538,571,913.74
  5. Step 5: Solve for x
    x = 12,538,571,913.74/127,723.14
  6. Step 6: Final answer
    x = 98,169.93

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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.