Home / 130,249.91-195,403.68-55,433.58

Finding the Fourth Proportional to 130,249.91, 195,403.68 and 55,433.58

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Solution

The fourth proportional to 130,249.91, 195,403.68 and 55,433.58 is: 83,162.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,249.91 : 195,403.68 = 55,433.58 : x
  2. Step 2: Convert to fraction form
    130,249.91/195,403.68 = 55,433.58/x
  3. Step 3: Cross multiply
    130,249.91x = 195,403.68 × 55,433.58
  4. Step 4: Simplify right side
    130,249.91x = 10,831,925,527.57
  5. Step 5: Solve for x
    x = 10,831,925,527.57/130,249.91
  6. Step 6: Final answer
    x = 83,162.64

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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.