Home / 194,858.40-292,287.60-131,708.78

Finding the Fourth Proportional to 194,858.40, 292,287.60 and 131,708.78

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Solution

The fourth proportional to 194,858.40, 292,287.60 and 131,708.78 is: 197,563.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,858.40 : 292,287.60 = 131,708.78 : x
  2. Step 2: Convert to fraction form
    194,858.40/292,287.60 = 131,708.78/x
  3. Step 3: Cross multiply
    194,858.40x = 292,287.60 × 131,708.78
  4. Step 4: Simplify right side
    194,858.40x = 38,496,841,743.69
  5. Step 5: Solve for x
    x = 38,496,841,743.69/194,858.40
  6. Step 6: Final answer
    x = 197,563.16

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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.