Home / 130,739.28-196,128.36-60,625.68

Finding the Fourth Proportional to 130,739.28, 196,128.36 and 60,625.68

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Solution

The fourth proportional to 130,739.28, 196,128.36 and 60,625.68 is: 90,947.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,739.28 : 196,128.36 = 60,625.68 : x
  2. Step 2: Convert to fraction form
    130,739.28/196,128.36 = 60,625.68/x
  3. Step 3: Cross multiply
    130,739.28x = 196,128.36 × 60,625.68
  4. Step 4: Simplify right side
    130,739.28x = 11,890,415,192.28
  5. Step 5: Solve for x
    x = 11,890,415,192.28/130,739.28
  6. Step 6: Final answer
    x = 90,947.53

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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.