Home / 134,754.68-185,961.08-77,397.73

Finding the Fourth Proportional to 134,754.68, 185,961.08 and 77,397.73

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Solution

The fourth proportional to 134,754.68, 185,961.08 and 77,397.73 is: 106,808.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,754.68 : 185,961.08 = 77,397.73 : x
  2. Step 2: Convert to fraction form
    134,754.68/185,961.08 = 77,397.73/x
  3. Step 3: Cross multiply
    134,754.68x = 185,961.08 × 77,397.73
  4. Step 4: Simplify right side
    134,754.68x = 14,392,965,188.94
  5. Step 5: Solve for x
    x = 14,392,965,188.94/134,754.68
  6. Step 6: Final answer
    x = 106,808.65

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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.