Home / 196,975.86-295,463.79-91,868.34

Finding the Fourth Proportional to 196,975.86, 295,463.79 and 91,868.34

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Solution

The fourth proportional to 196,975.86, 295,463.79 and 91,868.34 is: 137,802.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,975.86 : 295,463.79 = 91,868.34 : x
  2. Step 2: Convert to fraction form
    196,975.86/295,463.79 = 91,868.34/x
  3. Step 3: Cross multiply
    196,975.86x = 295,463.79 × 91,868.34
  4. Step 4: Simplify right side
    196,975.86x = 27,143,767,917.41
  5. Step 5: Solve for x
    x = 27,143,767,917.41/196,975.86
  6. Step 6: Final answer
    x = 137,802.51

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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.