Home / 154,581.39-231,905.13-47,963.04

Finding the Fourth Proportional to 154,581.39, 231,905.13 and 47,963.04

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Solution

The fourth proportional to 154,581.39, 231,905.13 and 47,963.04 is: 71,954.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,581.39 : 231,905.13 = 47,963.04 : x
  2. Step 2: Convert to fraction form
    154,581.39/231,905.13 = 47,963.04/x
  3. Step 3: Cross multiply
    154,581.39x = 231,905.13 × 47,963.04
  4. Step 4: Simplify right side
    154,581.39x = 11,122,875,026.40
  5. Step 5: Solve for x
    x = 11,122,875,026.40/154,581.39
  6. Step 6: Final answer
    x = 71,954.81

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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.