Home / 100,820.28-151,288.98-55,846.20

Finding the Fourth Proportional to 100,820.28, 151,288.98 and 55,846.20

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Solution

The fourth proportional to 100,820.28, 151,288.98 and 55,846.20 is: 83,801.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,820.28 : 151,288.98 = 55,846.20 : x
  2. Step 2: Convert to fraction form
    100,820.28/151,288.98 = 55,846.20/x
  3. Step 3: Cross multiply
    100,820.28x = 151,288.98 × 55,846.20
  4. Step 4: Simplify right side
    100,820.28x = 8,448,914,634.88
  5. Step 5: Solve for x
    x = 8,448,914,634.88/100,820.28
  6. Step 6: Final answer
    x = 83,801.74

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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.