Home / 197,112.80-295,669.20-91,942.40

Finding the Fourth Proportional to 197,112.80, 295,669.20 and 91,942.40

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Solution

The fourth proportional to 197,112.80, 295,669.20 and 91,942.40 is: 137,913.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,112.80 : 295,669.20 = 91,942.40 : x
  2. Step 2: Convert to fraction form
    197,112.80/295,669.20 = 91,942.40/x
  3. Step 3: Cross multiply
    197,112.80x = 295,669.20 × 91,942.40
  4. Step 4: Simplify right side
    197,112.80x = 27,184,535,854.08
  5. Step 5: Solve for x
    x = 27,184,535,854.08/197,112.80
  6. Step 6: Final answer
    x = 137,913.60

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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.