Home / 100,020.09-149,983.97-36,824.34

Finding the Fourth Proportional to 100,020.09, 149,983.97 and 36,824.34

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Solution

The fourth proportional to 100,020.09, 149,983.97 and 36,824.34 is: 55,219.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,020.09 : 149,983.97 = 36,824.34 : x
  2. Step 2: Convert to fraction form
    100,020.09/149,983.97 = 36,824.34/x
  3. Step 3: Cross multiply
    100,020.09x = 149,983.97 × 36,824.34
  4. Step 4: Simplify right side
    100,020.09x = 5,523,060,521.71
  5. Step 5: Solve for x
    x = 5,523,060,521.71/100,020.09
  6. Step 6: Final answer
    x = 55,219.51

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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.