Home / 197,114.40-295,671.60-72,439.20

Finding the Fourth Proportional to 197,114.40, 295,671.60 and 72,439.20

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Solution

The fourth proportional to 197,114.40, 295,671.60 and 72,439.20 is: 108,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,114.40 : 295,671.60 = 72,439.20 : x
  2. Step 2: Convert to fraction form
    197,114.40/295,671.60 = 72,439.20/x
  3. Step 3: Cross multiply
    197,114.40x = 295,671.60 × 72,439.20
  4. Step 4: Simplify right side
    197,114.40x = 21,418,214,166.72
  5. Step 5: Solve for x
    x = 21,418,214,166.72/197,114.40
  6. Step 6: Final answer
    x = 108,658.80

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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.