Home / 125,834.63-188,771.39-45,879.35

Finding the Fourth Proportional to 125,834.63, 188,771.39 and 45,879.35

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Solution

The fourth proportional to 125,834.63, 188,771.39 and 45,879.35 is: 68,826.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,834.63 : 188,771.39 = 45,879.35 : x
  2. Step 2: Convert to fraction form
    125,834.63/188,771.39 = 45,879.35/x
  3. Step 3: Cross multiply
    125,834.63x = 188,771.39 × 45,879.35
  4. Step 4: Simplify right side
    125,834.63x = 8,660,708,442.40
  5. Step 5: Solve for x
    x = 8,660,708,442.40/125,834.63
  6. Step 6: Final answer
    x = 68,826.11

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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.