Home / 100,684.20-151,016.56-30,564.12

Finding the Fourth Proportional to 100,684.20, 151,016.56 and 30,564.12

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Solution

The fourth proportional to 100,684.20, 151,016.56 and 30,564.12 is: 45,843.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,684.20 : 151,016.56 = 30,564.12 : x
  2. Step 2: Convert to fraction form
    100,684.20/151,016.56 = 30,564.12/x
  3. Step 3: Cross multiply
    100,684.20x = 151,016.56 × 30,564.12
  4. Step 4: Simplify right side
    100,684.20x = 4,615,688,261.83
  5. Step 5: Solve for x
    x = 4,615,688,261.83/100,684.20
  6. Step 6: Final answer
    x = 45,843.22

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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.