Home / 100,116.06-150,179.08-29,988.69

Finding the Fourth Proportional to 100,116.06, 150,179.08 and 29,988.69

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Solution

The fourth proportional to 100,116.06, 150,179.08 and 29,988.69 is: 44,984.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,116.06 : 150,179.08 = 29,988.69 : x
  2. Step 2: Convert to fraction form
    100,116.06/150,179.08 = 29,988.69/x
  3. Step 3: Cross multiply
    100,116.06x = 150,179.08 × 29,988.69
  4. Step 4: Simplify right side
    100,116.06x = 4,503,673,874.61
  5. Step 5: Solve for x
    x = 4,503,673,874.61/100,116.06
  6. Step 6: Final answer
    x = 44,984.53

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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.