Home / 125,834.40-188,752.56-45,929.64

Finding the Fourth Proportional to 125,834.40, 188,752.56 and 45,929.64

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Solution

The fourth proportional to 125,834.40, 188,752.56 and 45,929.64 is: 68,894.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,834.40 : 188,752.56 = 45,929.64 : x
  2. Step 2: Convert to fraction form
    125,834.40/188,752.56 = 45,929.64/x
  3. Step 3: Cross multiply
    125,834.40x = 188,752.56 × 45,929.64
  4. Step 4: Simplify right side
    125,834.40x = 8,669,337,129.88
  5. Step 5: Solve for x
    x = 8,669,337,129.88/125,834.40
  6. Step 6: Final answer
    x = 68,894.81

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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.