Home / 136,882.39-188,898.56-76,453.46

Finding the Fourth Proportional to 136,882.39, 188,898.56 and 76,453.46

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Solution

The fourth proportional to 136,882.39, 188,898.56 and 76,453.46 is: 105,506.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,882.39 : 188,898.56 = 76,453.46 : x
  2. Step 2: Convert to fraction form
    136,882.39/188,898.56 = 76,453.46/x
  3. Step 3: Cross multiply
    136,882.39x = 188,898.56 × 76,453.46
  4. Step 4: Simplify right side
    136,882.39x = 14,441,948,766.62
  5. Step 5: Solve for x
    x = 14,441,948,766.62/136,882.39
  6. Step 6: Final answer
    x = 105,506.26

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1.5x scale

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.