Home / 197,131.90-295,722.47-77,173.36

Finding the Fourth Proportional to 197,131.90, 295,722.47 and 77,173.36

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Solution

The fourth proportional to 197,131.90, 295,722.47 and 77,173.36 is: 115,769.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,131.90 : 295,722.47 = 77,173.36 : x
  2. Step 2: Convert to fraction form
    197,131.90/295,722.47 = 77,173.36/x
  3. Step 3: Cross multiply
    197,131.90x = 295,722.47 × 77,173.36
  4. Step 4: Simplify right side
    197,131.90x = 22,821,896,637.40
  5. Step 5: Solve for x
    x = 22,821,896,637.40/197,131.90
  6. Step 6: Final answer
    x = 115,769.68

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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.