Home / 125,341.14-188,172-107,684.76

Finding the Fourth Proportional to 125,341.14, 188,172 and 107,684.76

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Solution

The fourth proportional to 125,341.14, 188,172 and 107,684.76 is: 161,664.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,341.14 : 188,172 = 107,684.76 : x
  2. Step 2: Convert to fraction form
    125,341.14/188,172 = 107,684.76/x
  3. Step 3: Cross multiply
    125,341.14x = 188,172 × 107,684.76
  4. Step 4: Simplify right side
    125,341.14x = 20,263,256,658.72
  5. Step 5: Solve for x
    x = 20,263,256,658.72/125,341.14
  6. Step 6: Final answer
    x = 161,664.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.