Home / 73,120.14-109,632.69-28,751.22

Finding the Fourth Proportional to 73,120.14, 109,632.69 and 28,751.22

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Solution

The fourth proportional to 73,120.14, 109,632.69 and 28,751.22 is: 43,108.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,120.14 : 109,632.69 = 28,751.22 : x
  2. Step 2: Convert to fraction form
    73,120.14/109,632.69 = 28,751.22/x
  3. Step 3: Cross multiply
    73,120.14x = 109,632.69 × 28,751.22
  4. Step 4: Simplify right side
    73,120.14x = 3,152,073,589.38
  5. Step 5: Solve for x
    x = 3,152,073,589.38/73,120.14
  6. Step 6: Final answer
    x = 43,108.14

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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.