Home / 136,439.48-186,922.78-131,325.96

Finding the Fourth Proportional to 136,439.48, 186,922.78 and 131,325.96

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Solution

The fourth proportional to 136,439.48, 186,922.78 and 131,325.96 is: 179,917.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,439.48 : 186,922.78 = 131,325.96 : x
  2. Step 2: Convert to fraction form
    136,439.48/186,922.78 = 131,325.96/x
  3. Step 3: Cross multiply
    136,439.48x = 186,922.78 × 131,325.96
  4. Step 4: Simplify right side
    136,439.48x = 24,547,813,529.37
  5. Step 5: Solve for x
    x = 24,547,813,529.37/136,439.48
  6. Step 6: Final answer
    x = 179,917.23

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.