Home / 106,439.01-159,339.72-102,653.82

Finding the Fourth Proportional to 106,439.01, 159,339.72 and 102,653.82

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Solution

The fourth proportional to 106,439.01, 159,339.72 and 102,653.82 is: 153,673.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,439.01 : 159,339.72 = 102,653.82 : x
  2. Step 2: Convert to fraction form
    106,439.01/159,339.72 = 102,653.82/x
  3. Step 3: Cross multiply
    106,439.01x = 159,339.72 × 102,653.82
  4. Step 4: Simplify right side
    106,439.01x = 16,356,830,935.73
  5. Step 5: Solve for x
    x = 16,356,830,935.73/106,439.01
  6. Step 6: Final answer
    x = 153,673.27

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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.