Home / 130,145.15-195,229.58-50,157.45

Finding the Fourth Proportional to 130,145.15, 195,229.58 and 50,157.45

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Solution

The fourth proportional to 130,145.15, 195,229.58 and 50,157.45 is: 75,240.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,145.15 : 195,229.58 = 50,157.45 : x
  2. Step 2: Convert to fraction form
    130,145.15/195,229.58 = 50,157.45/x
  3. Step 3: Cross multiply
    130,145.15x = 195,229.58 × 50,157.45
  4. Step 4: Simplify right side
    130,145.15x = 9,792,217,646.58
  5. Step 5: Solve for x
    x = 9,792,217,646.58/130,145.15
  6. Step 6: Final answer
    x = 75,240.74

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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.