Home / 105,121.35-157,664.97-30,224.43

Finding the Fourth Proportional to 105,121.35, 157,664.97 and 30,224.43

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Solution

The fourth proportional to 105,121.35, 157,664.97 and 30,224.43 is: 45,331.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,121.35 : 157,664.97 = 30,224.43 : x
  2. Step 2: Convert to fraction form
    105,121.35/157,664.97 = 30,224.43/x
  3. Step 3: Cross multiply
    105,121.35x = 157,664.97 × 30,224.43
  4. Step 4: Simplify right side
    105,121.35x = 4,765,333,849.22
  5. Step 5: Solve for x
    x = 4,765,333,849.22/105,121.35
  6. Step 6: Final answer
    x = 45,331.74

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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.