Home / 197,120.40-295,340.40-91,723.20

Finding the Fourth Proportional to 197,120.40, 295,340.40 and 91,723.20

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Solution

The fourth proportional to 197,120.40, 295,340.40 and 91,723.20 is: 137,426.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,120.40 : 295,340.40 = 91,723.20 : x
  2. Step 2: Convert to fraction form
    197,120.40/295,340.40 = 91,723.20/x
  3. Step 3: Cross multiply
    197,120.40x = 295,340.40 × 91,723.20
  4. Step 4: Simplify right side
    197,120.40x = 27,089,566,577.28
  5. Step 5: Solve for x
    x = 27,089,566,577.28/197,120.40
  6. Step 6: Final answer
    x = 137,426.50

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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.