Home / 86,845.20-130,267.44-36,917.52

Finding the Fourth Proportional to 86,845.20, 130,267.44 and 36,917.52

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Solution

The fourth proportional to 86,845.20, 130,267.44 and 36,917.52 is: 55,376.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,845.20 : 130,267.44 = 36,917.52 : x
  2. Step 2: Convert to fraction form
    86,845.20/130,267.44 = 36,917.52/x
  3. Step 3: Cross multiply
    86,845.20x = 130,267.44 × 36,917.52
  4. Step 4: Simplify right side
    86,845.20x = 4,809,150,821.55
  5. Step 5: Solve for x
    x = 4,809,150,821.55/86,845.20
  6. Step 6: Final answer
    x = 55,376.13

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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.