Home / 197,795.20-296,923.20-118,998.40

Finding the Fourth Proportional to 197,795.20, 296,923.20 and 118,998.40

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Solution

The fourth proportional to 197,795.20, 296,923.20 and 118,998.40 is: 178,636.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,795.20 : 296,923.20 = 118,998.40 : x
  2. Step 2: Convert to fraction form
    197,795.20/296,923.20 = 118,998.40/x
  3. Step 3: Cross multiply
    197,795.20x = 296,923.20 × 118,998.40
  4. Step 4: Simplify right side
    197,795.20x = 35,333,385,722.88
  5. Step 5: Solve for x
    x = 35,333,385,722.88/197,795.20
  6. Step 6: Final answer
    x = 178,636.21

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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.