Home / 130,700.21-196,059.69-54,722.30

Finding the Fourth Proportional to 130,700.21, 196,059.69 and 54,722.30

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Solution

The fourth proportional to 130,700.21, 196,059.69 and 54,722.30 is: 82,087.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,700.21 : 196,059.69 = 54,722.30 : x
  2. Step 2: Convert to fraction form
    130,700.21/196,059.69 = 54,722.30/x
  3. Step 3: Cross multiply
    130,700.21x = 196,059.69 × 54,722.30
  4. Step 4: Simplify right side
    130,700.21x = 10,728,837,174.09
  5. Step 5: Solve for x
    x = 10,728,837,174.09/130,700.21
  6. Step 6: Final answer
    x = 82,087.38

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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.