Home / 197,197.47-295,677.84-90,447.69

Finding the Fourth Proportional to 197,197.47, 295,677.84 and 90,447.69

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Solution

The fourth proportional to 197,197.47, 295,677.84 and 90,447.69 is: 135,617.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,197.47 : 295,677.84 = 90,447.69 : x
  2. Step 2: Convert to fraction form
    197,197.47/295,677.84 = 90,447.69/x
  3. Step 3: Cross multiply
    197,197.47x = 295,677.84 × 90,447.69
  4. Step 4: Simplify right side
    197,197.47x = 26,743,377,612.19
  5. Step 5: Solve for x
    x = 26,743,377,612.19/197,197.47
  6. Step 6: Final answer
    x = 135,617.25

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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.