Home / 147,780.16-221,758.72-54,295.36

Finding the Fourth Proportional to 147,780.16, 221,758.72 and 54,295.36

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Solution

The fourth proportional to 147,780.16, 221,758.72 and 54,295.36 is: 81,475.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,780.16 : 221,758.72 = 54,295.36 : x
  2. Step 2: Convert to fraction form
    147,780.16/221,758.72 = 54,295.36/x
  3. Step 3: Cross multiply
    147,780.16x = 221,758.72 × 54,295.36
  4. Step 4: Simplify right side
    147,780.16x = 12,040,469,535.54
  5. Step 5: Solve for x
    x = 12,040,469,535.54/147,780.16
  6. Step 6: Final answer
    x = 81,475.55

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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.