Home / 107,721.88-148,661.10-59,978.26

Finding the Fourth Proportional to 107,721.88, 148,661.10 and 59,978.26

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Solution

The fourth proportional to 107,721.88, 148,661.10 and 59,978.26 is: 82,772.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,721.88 : 148,661.10 = 59,978.26 : x
  2. Step 2: Convert to fraction form
    107,721.88/148,661.10 = 59,978.26/x
  3. Step 3: Cross multiply
    107,721.88x = 148,661.10 × 59,978.26
  4. Step 4: Simplify right side
    107,721.88x = 8,916,434,107.69
  5. Step 5: Solve for x
    x = 8,916,434,107.69/107,721.88
  6. Step 6: Final answer
    x = 82,772.73

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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.