Home / 125,834.13-188,770.64-45,878.85

Finding the Fourth Proportional to 125,834.13, 188,770.64 and 45,878.85

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Solution

The fourth proportional to 125,834.13, 188,770.64 and 45,878.85 is: 68,825.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,834.13 : 188,770.64 = 45,878.85 : x
  2. Step 2: Convert to fraction form
    125,834.13/188,770.64 = 45,878.85/x
  3. Step 3: Cross multiply
    125,834.13x = 188,770.64 × 45,878.85
  4. Step 4: Simplify right side
    125,834.13x = 8,660,579,647.57
  5. Step 5: Solve for x
    x = 8,660,579,647.57/125,834.13
  6. Step 6: Final answer
    x = 68,825.36

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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.