Home / 109,228.26-150,704.55-70,449.68

Finding the Fourth Proportional to 109,228.26, 150,704.55 and 70,449.68

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Solution

The fourth proportional to 109,228.26, 150,704.55 and 70,449.68 is: 97,200.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,228.26 : 150,704.55 = 70,449.68 : x
  2. Step 2: Convert to fraction form
    109,228.26/150,704.55 = 70,449.68/x
  3. Step 3: Cross multiply
    109,228.26x = 150,704.55 × 70,449.68
  4. Step 4: Simplify right side
    109,228.26x = 10,617,086,568.52
  5. Step 5: Solve for x
    x = 10,617,086,568.52/109,228.26
  6. Step 6: Final answer
    x = 97,200.91

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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.