Home / 130,896.20-196,286.70-51,984.20

Finding the Fourth Proportional to 130,896.20, 196,286.70 and 51,984.20

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Solution

The fourth proportional to 130,896.20, 196,286.70 and 51,984.20 is: 77,953.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,896.20 : 196,286.70 = 51,984.20 : x
  2. Step 2: Convert to fraction form
    130,896.20/196,286.70 = 51,984.20/x
  3. Step 3: Cross multiply
    130,896.20x = 196,286.70 × 51,984.20
  4. Step 4: Simplify right side
    130,896.20x = 10,203,807,070.14
  5. Step 5: Solve for x
    x = 10,203,807,070.14/130,896.20
  6. Step 6: Final answer
    x = 77,953.42

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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.