Home / 109,282.70-150,809.46-61,551.43

Finding the Fourth Proportional to 109,282.70, 150,809.46 and 61,551.43

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Solution

The fourth proportional to 109,282.70, 150,809.46 and 61,551.43 is: 84,940.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,282.70 : 150,809.46 = 61,551.43 : x
  2. Step 2: Convert to fraction form
    109,282.70/150,809.46 = 61,551.43/x
  3. Step 3: Cross multiply
    109,282.70x = 150,809.46 × 61,551.43
  4. Step 4: Simplify right side
    109,282.70x = 9,282,537,920.53
  5. Step 5: Solve for x
    x = 9,282,537,920.53/109,282.70
  6. Step 6: Final answer
    x = 84,940.60

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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.