Home / 195,286.72-269,495.04-105,862.72

Finding the Fourth Proportional to 195,286.72, 269,495.04 and 105,862.72

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Solution

The fourth proportional to 195,286.72, 269,495.04 and 105,862.72 is: 146,090.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,286.72 : 269,495.04 = 105,862.72 : x
  2. Step 2: Convert to fraction form
    195,286.72/269,495.04 = 105,862.72/x
  3. Step 3: Cross multiply
    195,286.72x = 269,495.04 × 105,862.72
  4. Step 4: Simplify right side
    195,286.72x = 28,529,477,960.91
  5. Step 5: Solve for x
    x = 28,529,477,960.91/195,286.72
  6. Step 6: Final answer
    x = 146,090.21

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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.