Home / 197,084.91-271,977.18-106,440.90

Finding the Fourth Proportional to 197,084.91, 271,977.18 and 106,440.90

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Solution

The fourth proportional to 197,084.91, 271,977.18 and 106,440.90 is: 146,888.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,084.91 : 271,977.18 = 106,440.90 : x
  2. Step 2: Convert to fraction form
    197,084.91/271,977.18 = 106,440.90/x
  3. Step 3: Cross multiply
    197,084.91x = 271,977.18 × 106,440.90
  4. Step 4: Simplify right side
    197,084.91x = 28,949,495,818.66
  5. Step 5: Solve for x
    x = 28,949,495,818.66/197,084.91
  6. Step 6: Final answer
    x = 146,888.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.