Home / 100,666.08-150,999.60-30,546

Finding the Fourth Proportional to 100,666.08, 150,999.60 and 30,546

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Solution

The fourth proportional to 100,666.08, 150,999.60 and 30,546 is: 45,819.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,666.08 : 150,999.60 = 30,546 : x
  2. Step 2: Convert to fraction form
    100,666.08/150,999.60 = 30,546/x
  3. Step 3: Cross multiply
    100,666.08x = 150,999.60 × 30,546
  4. Step 4: Simplify right side
    100,666.08x = 4,612,433,781.60
  5. Step 5: Solve for x
    x = 4,612,433,781.60/100,666.08
  6. Step 6: Final answer
    x = 45,819.15

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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.