Home / 127,262.74-175,710.45-79,537.54

Finding the Fourth Proportional to 127,262.74, 175,710.45 and 79,537.54

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Solution

The fourth proportional to 127,262.74, 175,710.45 and 79,537.54 is: 109,816.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,262.74 : 175,710.45 = 79,537.54 : x
  2. Step 2: Convert to fraction form
    127,262.74/175,710.45 = 79,537.54/x
  3. Step 3: Cross multiply
    127,262.74x = 175,710.45 × 79,537.54
  4. Step 4: Simplify right side
    127,262.74x = 13,975,576,945.29
  5. Step 5: Solve for x
    x = 13,975,576,945.29/127,262.74
  6. Step 6: Final answer
    x = 109,816.72

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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.