Home / 173,905.41-260,383.86-131,657.70

Finding the Fourth Proportional to 173,905.41, 260,383.86 and 131,657.70

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Solution

The fourth proportional to 173,905.41, 260,383.86 and 131,657.70 is: 197,127.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,905.41 : 260,383.86 = 131,657.70 : x
  2. Step 2: Convert to fraction form
    173,905.41/260,383.86 = 131,657.70/x
  3. Step 3: Cross multiply
    173,905.41x = 260,383.86 × 131,657.70
  4. Step 4: Simplify right side
    173,905.41x = 34,281,540,124.72
  5. Step 5: Solve for x
    x = 34,281,540,124.72/173,905.41
  6. Step 6: Final answer
    x = 197,127.51

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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.