Home / 106,529.17-159,815.62-31,642.64

Finding the Fourth Proportional to 106,529.17, 159,815.62 and 31,642.64

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Solution

The fourth proportional to 106,529.17, 159,815.62 and 31,642.64 is: 47,470.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,529.17 : 159,815.62 = 31,642.64 : x
  2. Step 2: Convert to fraction form
    106,529.17/159,815.62 = 31,642.64/x
  3. Step 3: Cross multiply
    106,529.17x = 159,815.62 × 31,642.64
  4. Step 4: Simplify right side
    106,529.17x = 5,056,988,330.31
  5. Step 5: Solve for x
    x = 5,056,988,330.31/106,529.17
  6. Step 6: Final answer
    x = 47,470.46

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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.