Home / 221,043.20-305,046.61-125,544.20

Finding the Fourth Proportional to 221,043.20, 305,046.61 and 125,544.20

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Solution

The fourth proportional to 221,043.20, 305,046.61 and 125,544.20 is: 173,254.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,043.20 : 305,046.61 = 125,544.20 : x
  2. Step 2: Convert to fraction form
    221,043.20/305,046.61 = 125,544.20/x
  3. Step 3: Cross multiply
    221,043.20x = 305,046.61 × 125,544.20
  4. Step 4: Simplify right side
    221,043.20x = 38,296,830,776.07
  5. Step 5: Solve for x
    x = 38,296,830,776.07/221,043.20
  6. Step 6: Final answer
    x = 173,254.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.