Home / 147,895.80-221,843.70-54,389.40

Finding the Fourth Proportional to 147,895.80, 221,843.70 and 54,389.40

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Solution

The fourth proportional to 147,895.80, 221,843.70 and 54,389.40 is: 81,584.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,895.80 : 221,843.70 = 54,389.40 : x
  2. Step 2: Convert to fraction form
    147,895.80/221,843.70 = 54,389.40/x
  3. Step 3: Cross multiply
    147,895.80x = 221,843.70 × 54,389.40
  4. Step 4: Simplify right side
    147,895.80x = 12,065,945,736.78
  5. Step 5: Solve for x
    x = 12,065,945,736.78/147,895.80
  6. Step 6: Final answer
    x = 81,584.10

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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.