Home / 100,191.08-150,291.24-55,784.40

Finding the Fourth Proportional to 100,191.08, 150,291.24 and 55,784.40

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Solution

The fourth proportional to 100,191.08, 150,291.24 and 55,784.40 is: 83,679.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,191.08 : 150,291.24 = 55,784.40 : x
  2. Step 2: Convert to fraction form
    100,191.08/150,291.24 = 55,784.40/x
  3. Step 3: Cross multiply
    100,191.08x = 150,291.24 × 55,784.40
  4. Step 4: Simplify right side
    100,191.08x = 8,383,906,648.66
  5. Step 5: Solve for x
    x = 8,383,906,648.66/100,191.08
  6. Step 6: Final answer
    x = 83,679.17

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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.