Home / 197,108.90-295,323.15-91,711.70

Finding the Fourth Proportional to 197,108.90, 295,323.15 and 91,711.70

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Solution

The fourth proportional to 197,108.90, 295,323.15 and 91,711.70 is: 137,409.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,108.90 : 295,323.15 = 91,711.70 : x
  2. Step 2: Convert to fraction form
    197,108.90/295,323.15 = 91,711.70/x
  3. Step 3: Cross multiply
    197,108.90x = 295,323.15 × 91,711.70
  4. Step 4: Simplify right side
    197,108.90x = 27,084,588,135.86
  5. Step 5: Solve for x
    x = 27,084,588,135.86/197,108.90
  6. Step 6: Final answer
    x = 137,409.26

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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.