Home / 197,211.60-295,890.30-78,967.80

Finding the Fourth Proportional to 197,211.60, 295,890.30 and 78,967.80

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Solution

The fourth proportional to 197,211.60, 295,890.30 and 78,967.80 is: 118,480.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,211.60 : 295,890.30 = 78,967.80 : x
  2. Step 2: Convert to fraction form
    197,211.60/295,890.30 = 78,967.80/x
  3. Step 3: Cross multiply
    197,211.60x = 295,890.30 × 78,967.80
  4. Step 4: Simplify right side
    197,211.60x = 23,365,806,032.34
  5. Step 5: Solve for x
    x = 23,365,806,032.34/197,211.60
  6. Step 6: Final answer
    x = 118,480.89

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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.