Home / 100,270.36-150,439.04-32,805.49

Finding the Fourth Proportional to 100,270.36, 150,439.04 and 32,805.49

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Solution

The fourth proportional to 100,270.36, 150,439.04 and 32,805.49 is: 49,219.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,270.36 : 150,439.04 = 32,805.49 : x
  2. Step 2: Convert to fraction form
    100,270.36/150,439.04 = 32,805.49/x
  3. Step 3: Cross multiply
    100,270.36x = 150,439.04 × 32,805.49
  4. Step 4: Simplify right side
    100,270.36x = 4,935,225,670.13
  5. Step 5: Solve for x
    x = 4,935,225,670.13/100,270.36
  6. Step 6: Final answer
    x = 49,219.19

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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.