Home / 221,743.80-332,615.70-63,977.40

Finding the Fourth Proportional to 221,743.80, 332,615.70 and 63,977.40

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Solution

The fourth proportional to 221,743.80, 332,615.70 and 63,977.40 is: 95,966.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,743.80 : 332,615.70 = 63,977.40 : x
  2. Step 2: Convert to fraction form
    221,743.80/332,615.70 = 63,977.40/x
  3. Step 3: Cross multiply
    221,743.80x = 332,615.70 × 63,977.40
  4. Step 4: Simplify right side
    221,743.80x = 21,279,887,685.18
  5. Step 5: Solve for x
    x = 21,279,887,685.18/221,743.80
  6. Step 6: Final answer
    x = 95,966.10

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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.