Home / 100,936.20-151,404.30-63,611.40

Finding the Fourth Proportional to 100,936.20, 151,404.30 and 63,611.40

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Solution

The fourth proportional to 100,936.20, 151,404.30 and 63,611.40 is: 95,417.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,936.20 : 151,404.30 = 63,611.40 : x
  2. Step 2: Convert to fraction form
    100,936.20/151,404.30 = 63,611.40/x
  3. Step 3: Cross multiply
    100,936.20x = 151,404.30 × 63,611.40
  4. Step 4: Simplify right side
    100,936.20x = 9,631,039,489.02
  5. Step 5: Solve for x
    x = 9,631,039,489.02/100,936.20
  6. Step 6: Final answer
    x = 95,417.10

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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.