Home / 197,110.60-295,601.10-72,435.40

Finding the Fourth Proportional to 197,110.60, 295,601.10 and 72,435.40

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Solution

The fourth proportional to 197,110.60, 295,601.10 and 72,435.40 is: 108,629.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,110.60 : 295,601.10 = 72,435.40 : x
  2. Step 2: Convert to fraction form
    197,110.60/295,601.10 = 72,435.40/x
  3. Step 3: Cross multiply
    197,110.60x = 295,601.10 × 72,435.40
  4. Step 4: Simplify right side
    197,110.60x = 21,411,983,918.94
  5. Step 5: Solve for x
    x = 21,411,983,918.94/197,110.60
  6. Step 6: Final answer
    x = 108,629.29

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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.