Home / 100,850.82-151,276.26-30,730.20

Finding the Fourth Proportional to 100,850.82, 151,276.26 and 30,730.20

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Solution

The fourth proportional to 100,850.82, 151,276.26 and 30,730.20 is: 46,095.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,850.82 : 151,276.26 = 30,730.20 : x
  2. Step 2: Convert to fraction form
    100,850.82/151,276.26 = 30,730.20/x
  3. Step 3: Cross multiply
    100,850.82x = 151,276.26 × 30,730.20
  4. Step 4: Simplify right side
    100,850.82x = 4,648,749,725.05
  5. Step 5: Solve for x
    x = 4,648,749,725.05/100,850.82
  6. Step 6: Final answer
    x = 46,095.31

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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.