Home / 136,452.32-188,318.04-76,032.80

Finding the Fourth Proportional to 136,452.32, 188,318.04 and 76,032.80

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Solution

The fourth proportional to 136,452.32, 188,318.04 and 76,032.80 is: 104,932.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,452.32 : 188,318.04 = 76,032.80 : x
  2. Step 2: Convert to fraction form
    136,452.32/188,318.04 = 76,032.80/x
  3. Step 3: Cross multiply
    136,452.32x = 188,318.04 × 76,032.80
  4. Step 4: Simplify right side
    136,452.32x = 14,318,347,871.71
  5. Step 5: Solve for x
    x = 14,318,347,871.71/136,452.32
  6. Step 6: Final answer
    x = 104,932.97

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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.