Home / 127,930.60-191,733.90-48,939.40

Finding the Fourth Proportional to 127,930.60, 191,733.90 and 48,939.40

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Solution

The fourth proportional to 127,930.60, 191,733.90 and 48,939.40 is: 73,347.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,930.60 : 191,733.90 = 48,939.40 : x
  2. Step 2: Convert to fraction form
    127,930.60/191,733.90 = 48,939.40/x
  3. Step 3: Cross multiply
    127,930.60x = 191,733.90 × 48,939.40
  4. Step 4: Simplify right side
    127,930.60x = 9,383,342,025.66
  5. Step 5: Solve for x
    x = 9,383,342,025.66/127,930.60
  6. Step 6: Final answer
    x = 73,347.13

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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.