Home / 154,970.78-232,375.51-55,116.41

Finding the Fourth Proportional to 154,970.78, 232,375.51 and 55,116.41

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Solution

The fourth proportional to 154,970.78, 232,375.51 and 55,116.41 is: 82,645.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,970.78 : 232,375.51 = 55,116.41 : x
  2. Step 2: Convert to fraction form
    154,970.78/232,375.51 = 55,116.41/x
  3. Step 3: Cross multiply
    154,970.78x = 232,375.51 × 55,116.41
  4. Step 4: Simplify right side
    154,970.78x = 12,807,703,607.54
  5. Step 5: Solve for x
    x = 12,807,703,607.54/154,970.78
  6. Step 6: Final answer
    x = 82,645.93

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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.