Home / 195,136.40-292,562.72-131,799.54

Finding the Fourth Proportional to 195,136.40, 292,562.72 and 131,799.54

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Solution

The fourth proportional to 195,136.40, 292,562.72 and 131,799.54 is: 197,603.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,136.40 : 292,562.72 = 131,799.54 : x
  2. Step 2: Convert to fraction form
    195,136.40/292,562.72 = 131,799.54/x
  3. Step 3: Cross multiply
    195,136.40x = 292,562.72 × 131,799.54
  4. Step 4: Simplify right side
    195,136.40x = 38,559,631,917.15
  5. Step 5: Solve for x
    x = 38,559,631,917.15/195,136.40
  6. Step 6: Final answer
    x = 197,603.48

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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.