Home / 195,171.04-269,336.24-105,746.40

Finding the Fourth Proportional to 195,171.04, 269,336.24 and 105,746.40

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Solution

The fourth proportional to 195,171.04, 269,336.24 and 105,746.40 is: 145,930.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,171.04 : 269,336.24 = 105,746.40 : x
  2. Step 2: Convert to fraction form
    195,171.04/269,336.24 = 105,746.40/x
  3. Step 3: Cross multiply
    195,171.04x = 269,336.24 × 105,746.40
  4. Step 4: Simplify right side
    195,171.04x = 28,481,337,769.54
  5. Step 5: Solve for x
    x = 28,481,337,769.54/195,171.04
  6. Step 6: Final answer
    x = 145,930.14

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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.