Home / 130,027.28-195,023.64-51,120.32

Finding the Fourth Proportional to 130,027.28, 195,023.64 and 51,120.32

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Solution

The fourth proportional to 130,027.28, 195,023.64 and 51,120.32 is: 76,673.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,027.28 : 195,023.64 = 51,120.32 : x
  2. Step 2: Convert to fraction form
    130,027.28/195,023.64 = 51,120.32/x
  3. Step 3: Cross multiply
    130,027.28x = 195,023.64 × 51,120.32
  4. Step 4: Simplify right side
    130,027.28x = 9,969,670,884.36
  5. Step 5: Solve for x
    x = 9,969,670,884.36/130,027.28
  6. Step 6: Final answer
    x = 76,673.69

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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.