Home / 136,784.57-188,683.83-82,298.97

Finding the Fourth Proportional to 136,784.57, 188,683.83 and 82,298.97

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Solution

The fourth proportional to 136,784.57, 188,683.83 and 82,298.97 is: 113,525.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,784.57 : 188,683.83 = 82,298.97 : x
  2. Step 2: Convert to fraction form
    136,784.57/188,683.83 = 82,298.97/x
  3. Step 3: Cross multiply
    136,784.57x = 188,683.83 × 82,298.97
  4. Step 4: Simplify right side
    136,784.57x = 15,528,484,864.66
  5. Step 5: Solve for x
    x = 15,528,484,864.66/136,784.57
  6. Step 6: Final answer
    x = 113,525.13

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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.