Home / 136,765.86-188,588.07-88,930.50

Finding the Fourth Proportional to 136,765.86, 188,588.07 and 88,930.50

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Solution

The fourth proportional to 136,765.86, 188,588.07 and 88,930.50 is: 122,627.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,765.86 : 188,588.07 = 88,930.50 : x
  2. Step 2: Convert to fraction form
    136,765.86/188,588.07 = 88,930.50/x
  3. Step 3: Cross multiply
    136,765.86x = 188,588.07 × 88,930.50
  4. Step 4: Simplify right side
    136,765.86x = 16,771,231,359.14
  5. Step 5: Solve for x
    x = 16,771,231,359.14/136,765.86
  6. Step 6: Final answer
    x = 122,627.32

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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.