Home / 136,925.42-188,954.94-76,496.90

Finding the Fourth Proportional to 136,925.42, 188,954.94 and 76,496.90

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Solution

The fourth proportional to 136,925.42, 188,954.94 and 76,496.90 is: 105,564.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,925.42 : 188,954.94 = 76,496.90 : x
  2. Step 2: Convert to fraction form
    136,925.42/188,954.94 = 76,496.90/x
  3. Step 3: Cross multiply
    136,925.42x = 188,954.94 × 76,496.90
  4. Step 4: Simplify right side
    136,925.42x = 14,454,467,149.69
  5. Step 5: Solve for x
    x = 14,454,467,149.69/136,925.42
  6. Step 6: Final answer
    x = 105,564.53

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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.