Home / 130,112.20-194,876.70-106,784.20

Finding the Fourth Proportional to 130,112.20, 194,876.70 and 106,784.20

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Solution

The fourth proportional to 130,112.20, 194,876.70 and 106,784.20 is: 159,936.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,112.20 : 194,876.70 = 106,784.20 : x
  2. Step 2: Convert to fraction form
    130,112.20/194,876.70 = 106,784.20/x
  3. Step 3: Cross multiply
    130,112.20x = 194,876.70 × 106,784.20
  4. Step 4: Simplify right side
    130,112.20x = 20,809,752,508.14
  5. Step 5: Solve for x
    x = 20,809,752,508.14/130,112.20
  6. Step 6: Final answer
    x = 159,936.98

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1.5x scale

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.