Home / 197,143.60-295,721.16-77,195.56

Finding the Fourth Proportional to 197,143.60, 295,721.16 and 77,195.56

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Solution

The fourth proportional to 197,143.60, 295,721.16 and 77,195.56 is: 115,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,143.60 : 295,721.16 = 77,195.56 : x
  2. Step 2: Convert to fraction form
    197,143.60/295,721.16 = 77,195.56/x
  3. Step 3: Cross multiply
    197,143.60x = 295,721.16 × 77,195.56
  4. Step 4: Simplify right side
    197,143.60x = 22,828,360,550.05
  5. Step 5: Solve for x
    x = 22,828,360,550.05/197,143.60
  6. Step 6: Final answer
    x = 115,795.60

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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.