Home / 203,106.04-304,721.34-90,880.72

Finding the Fourth Proportional to 203,106.04, 304,721.34 and 90,880.72

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Solution

The fourth proportional to 203,106.04, 304,721.34 and 90,880.72 is: 136,348.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,106.04 : 304,721.34 = 90,880.72 : x
  2. Step 2: Convert to fraction form
    203,106.04/304,721.34 = 90,880.72/x
  3. Step 3: Cross multiply
    203,106.04x = 304,721.34 × 90,880.72
  4. Step 4: Simplify right side
    203,106.04x = 27,693,294,778.56
  5. Step 5: Solve for x
    x = 27,693,294,778.56/203,106.04
  6. Step 6: Final answer
    x = 136,348.95

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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.