Home / 108,717.21-150,005.79-105,133.26

Finding the Fourth Proportional to 108,717.21, 150,005.79 and 105,133.26

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Solution

The fourth proportional to 108,717.21, 150,005.79 and 105,133.26 is: 145,060.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,717.21 : 150,005.79 = 105,133.26 : x
  2. Step 2: Convert to fraction form
    108,717.21/150,005.79 = 105,133.26/x
  3. Step 3: Cross multiply
    108,717.21x = 150,005.79 × 105,133.26
  4. Step 4: Simplify right side
    108,717.21x = 15,770,597,721.58
  5. Step 5: Solve for x
    x = 15,770,597,721.58/108,717.21
  6. Step 6: Final answer
    x = 145,060.73

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1.5x scale

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.