Home / 197,107.90-295,321.65-91,710.70

Finding the Fourth Proportional to 197,107.90, 295,321.65 and 91,710.70

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Solution

The fourth proportional to 197,107.90, 295,321.65 and 91,710.70 is: 137,407.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,107.90 : 295,321.65 = 91,710.70 : x
  2. Step 2: Convert to fraction form
    197,107.90/295,321.65 = 91,710.70/x
  3. Step 3: Cross multiply
    197,107.90x = 295,321.65 × 91,710.70
  4. Step 4: Simplify right side
    197,107.90x = 27,084,155,246.66
  5. Step 5: Solve for x
    x = 27,084,155,246.66/197,107.90
  6. Step 6: Final answer
    x = 137,407.76

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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.