Home / 135,444.29-202,979.61-102,127.73

Finding the Fourth Proportional to 135,444.29, 202,979.61 and 102,127.73

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Solution

The fourth proportional to 135,444.29, 202,979.61 and 102,127.73 is: 153,050.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,444.29 : 202,979.61 = 102,127.73 : x
  2. Step 2: Convert to fraction form
    135,444.29/202,979.61 = 102,127.73/x
  3. Step 3: Cross multiply
    135,444.29x = 202,979.61 × 102,127.73
  4. Step 4: Simplify right side
    135,444.29x = 20,729,845,790.69
  5. Step 5: Solve for x
    x = 20,729,845,790.69/135,444.29
  6. Step 6: Final answer
    x = 153,050.72

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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.