Home / 134,725.27-185,933.31-77,372.11

Finding the Fourth Proportional to 134,725.27, 185,933.31 and 77,372.11

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Solution

The fourth proportional to 134,725.27, 185,933.31 and 77,372.11 is: 106,780.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,725.27 : 185,933.31 = 77,372.11 : x
  2. Step 2: Convert to fraction form
    134,725.27/185,933.31 = 77,372.11/x
  3. Step 3: Cross multiply
    134,725.27x = 185,933.31 × 77,372.11
  4. Step 4: Simplify right side
    134,725.27x = 14,386,052,513.98
  5. Step 5: Solve for x
    x = 14,386,052,513.98/134,725.27
  6. Step 6: Final answer
    x = 106,780.65

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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.