Home / 109,105.45-150,570.62-60,707.64

Finding the Fourth Proportional to 109,105.45, 150,570.62 and 60,707.64

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Solution

The fourth proportional to 109,105.45, 150,570.62 and 60,707.64 is: 83,779.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,105.45 : 150,570.62 = 60,707.64 : x
  2. Step 2: Convert to fraction form
    109,105.45/150,570.62 = 60,707.64/x
  3. Step 3: Cross multiply
    109,105.45x = 150,570.62 × 60,707.64
  4. Step 4: Simplify right side
    109,105.45x = 9,140,786,993.54
  5. Step 5: Solve for x
    x = 9,140,786,993.54/109,105.45
  6. Step 6: Final answer
    x = 83,779.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.