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Finding the Fourth Proportional to 106,299.01, 159,448.72 and 99,803.62

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Solution

The fourth proportional to 106,299.01, 159,448.72 and 99,803.62 is: 149,705.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,299.01 : 159,448.72 = 99,803.62 : x
  2. Step 2: Convert to fraction form
    106,299.01/159,448.72 = 99,803.62/x
  3. Step 3: Cross multiply
    106,299.01x = 159,448.72 × 99,803.62
  4. Step 4: Simplify right side
    106,299.01x = 15,913,558,961.35
  5. Step 5: Solve for x
    x = 15,913,558,961.35/106,299.01
  6. Step 6: Final answer
    x = 149,705.62

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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.