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Finding the Fourth Proportional to 106,323.66, 159,529.41 and 53,748.54

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Solution

The fourth proportional to 106,323.66, 159,529.41 and 53,748.54 is: 80,645.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,323.66 : 159,529.41 = 53,748.54 : x
  2. Step 2: Convert to fraction form
    106,323.66/159,529.41 = 53,748.54/x
  3. Step 3: Cross multiply
    106,323.66x = 159,529.41 × 53,748.54
  4. Step 4: Simplify right side
    106,323.66x = 8,574,472,874.56
  5. Step 5: Solve for x
    x = 8,574,472,874.56/106,323.66
  6. Step 6: Final answer
    x = 80,645.01

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1.5x scale

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.