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Finding the Fourth Proportional to 169,065.64, 253,592.70 and 50,732.20

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Solution

The fourth proportional to 169,065.64, 253,592.70 and 50,732.20 is: 76,096.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,065.64 : 253,592.70 = 50,732.20 : x
  2. Step 2: Convert to fraction form
    169,065.64/253,592.70 = 50,732.20/x
  3. Step 3: Cross multiply
    169,065.64x = 253,592.70 × 50,732.20
  4. Step 4: Simplify right side
    169,065.64x = 12,865,315,574.94
  5. Step 5: Solve for x
    x = 12,865,315,574.94/169,065.64
  6. Step 6: Final answer
    x = 76,096.57

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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.