Home / 125,435.16-188,103.66-45,454.14

Finding the Fourth Proportional to 125,435.16, 188,103.66 and 45,454.14

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Solution

The fourth proportional to 125,435.16, 188,103.66 and 45,454.14 is: 68,163.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,435.16 : 188,103.66 = 45,454.14 : x
  2. Step 2: Convert to fraction form
    125,435.16/188,103.66 = 45,454.14/x
  3. Step 3: Cross multiply
    125,435.16x = 188,103.66 × 45,454.14
  4. Step 4: Simplify right side
    125,435.16x = 8,550,090,096.15
  5. Step 5: Solve for x
    x = 8,550,090,096.15/125,435.16
  6. Step 6: Final answer
    x = 68,163.42

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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.