Home / 106,612.30-159,058.07-102,735.82

Finding the Fourth Proportional to 106,612.30, 159,058.07 and 102,735.82

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Solution

The fourth proportional to 106,612.30, 159,058.07 and 102,735.82 is: 153,274.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,612.30 : 159,058.07 = 102,735.82 : x
  2. Step 2: Convert to fraction form
    106,612.30/159,058.07 = 102,735.82/x
  3. Step 3: Cross multiply
    106,612.30x = 159,058.07 × 102,735.82
  4. Step 4: Simplify right side
    106,612.30x = 16,340,961,249.07
  5. Step 5: Solve for x
    x = 16,340,961,249.07/106,612.30
  6. Step 6: Final answer
    x = 153,274.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.