Home / 130,949.52-196,510.32-71,826.72

Finding the Fourth Proportional to 130,949.52, 196,510.32 and 71,826.72

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Solution

The fourth proportional to 130,949.52, 196,510.32 and 71,826.72 is: 107,787.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,949.52 : 196,510.32 = 71,826.72 : x
  2. Step 2: Convert to fraction form
    130,949.52/196,510.32 = 71,826.72/x
  3. Step 3: Cross multiply
    130,949.52x = 196,510.32 × 71,826.72
  4. Step 4: Simplify right side
    130,949.52x = 14,114,691,731.75
  5. Step 5: Solve for x
    x = 14,114,691,731.75/130,949.52
  6. Step 6: Final answer
    x = 107,787.27

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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.