Home / 100,817.28-151,284.48-55,843.20

Finding the Fourth Proportional to 100,817.28, 151,284.48 and 55,843.20

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Solution

The fourth proportional to 100,817.28, 151,284.48 and 55,843.20 is: 83,797.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,817.28 : 151,284.48 = 55,843.20 : x
  2. Step 2: Convert to fraction form
    100,817.28/151,284.48 = 55,843.20/x
  3. Step 3: Cross multiply
    100,817.28x = 151,284.48 × 55,843.20
  4. Step 4: Simplify right side
    100,817.28x = 8,448,209,473.54
  5. Step 5: Solve for x
    x = 8,448,209,473.54/100,817.28
  6. Step 6: Final answer
    x = 83,797.24

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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.