Home / 130,725.72-196,099.56-51,840.72

Finding the Fourth Proportional to 130,725.72, 196,099.56 and 51,840.72

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Solution

The fourth proportional to 130,725.72, 196,099.56 and 51,840.72 is: 77,765.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,725.72 : 196,099.56 = 51,840.72 : x
  2. Step 2: Convert to fraction form
    130,725.72/196,099.56 = 51,840.72/x
  3. Step 3: Cross multiply
    130,725.72x = 196,099.56 × 51,840.72
  4. Step 4: Simplify right side
    130,725.72x = 10,165,942,382.08
  5. Step 5: Solve for x
    x = 10,165,942,382.08/130,725.72
  6. Step 6: Final answer
    x = 77,765.43

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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.