Home / 154,911.54-232,320.78-55,058.61

Finding the Fourth Proportional to 154,911.54, 232,320.78 and 55,058.61

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Solution

The fourth proportional to 154,911.54, 232,320.78 and 55,058.61 is: 82,571.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,911.54 : 232,320.78 = 55,058.61 : x
  2. Step 2: Convert to fraction form
    154,911.54/232,320.78 = 55,058.61/x
  3. Step 3: Cross multiply
    154,911.54x = 232,320.78 × 55,058.61
  4. Step 4: Simplify right side
    154,911.54x = 12,791,259,220.92
  5. Step 5: Solve for x
    x = 12,791,259,220.92/154,911.54
  6. Step 6: Final answer
    x = 82,571.38

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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.