Home / 106,351.17-159,526.98-99,855.78

Finding the Fourth Proportional to 106,351.17, 159,526.98 and 99,855.78

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Solution

The fourth proportional to 106,351.17, 159,526.98 and 99,855.78 is: 149,783.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,351.17 : 159,526.98 = 99,855.78 : x
  2. Step 2: Convert to fraction form
    106,351.17/159,526.98 = 99,855.78/x
  3. Step 3: Cross multiply
    106,351.17x = 159,526.98 × 99,855.78
  4. Step 4: Simplify right side
    106,351.17x = 15,929,691,018.94
  5. Step 5: Solve for x
    x = 15,929,691,018.94/106,351.17
  6. Step 6: Final answer
    x = 149,783.88

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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.