Home / 135,439.15-186,813.52-92,923.87

Finding the Fourth Proportional to 135,439.15, 186,813.52 and 92,923.87

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Solution

The fourth proportional to 135,439.15, 186,813.52 and 92,923.87 is: 128,171.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,439.15 : 186,813.52 = 92,923.87 : x
  2. Step 2: Convert to fraction form
    135,439.15/186,813.52 = 92,923.87/x
  3. Step 3: Cross multiply
    135,439.15x = 186,813.52 × 92,923.87
  4. Step 4: Simplify right side
    135,439.15x = 17,359,435,246.72
  5. Step 5: Solve for x
    x = 17,359,435,246.72/135,439.15
  6. Step 6: Final answer
    x = 128,171.47

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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.