Home / 137,677.82-189,998.66-77,252.93

Finding the Fourth Proportional to 137,677.82, 189,998.66 and 77,252.93

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Solution

The fourth proportional to 137,677.82, 189,998.66 and 77,252.93 is: 106,610.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,677.82 : 189,998.66 = 77,252.93 : x
  2. Step 2: Convert to fraction form
    137,677.82/189,998.66 = 77,252.93/x
  3. Step 3: Cross multiply
    137,677.82x = 189,998.66 × 77,252.93
  4. Step 4: Simplify right side
    137,677.82x = 14,677,952,847.01
  5. Step 5: Solve for x
    x = 14,677,952,847.01/137,677.82
  6. Step 6: Final answer
    x = 106,610.88

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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.