Home / 150,120.96-206,928.72-118,239.36

Finding the Fourth Proportional to 150,120.96, 206,928.72 and 118,239.36

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Solution

The fourth proportional to 150,120.96, 206,928.72 and 118,239.36 is: 162,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,120.96 : 206,928.72 = 118,239.36 : x
  2. Step 2: Convert to fraction form
    150,120.96/206,928.72 = 118,239.36/x
  3. Step 3: Cross multiply
    150,120.96x = 206,928.72 × 118,239.36
  4. Step 4: Simplify right side
    150,120.96x = 24,467,119,418.42
  5. Step 5: Solve for x
    x = 24,467,119,418.42/150,120.96
  6. Step 6: Final answer
    x = 162,982.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.