Home / 130,218.36-179,705.12-73,628.52

Finding the Fourth Proportional to 130,218.36, 179,705.12 and 73,628.52

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Solution

The fourth proportional to 130,218.36, 179,705.12 and 73,628.52 is: 101,609.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,218.36 : 179,705.12 = 73,628.52 : x
  2. Step 2: Convert to fraction form
    130,218.36/179,705.12 = 73,628.52/x
  3. Step 3: Cross multiply
    130,218.36x = 179,705.12 × 73,628.52
  4. Step 4: Simplify right side
    130,218.36x = 13,231,422,022.02
  5. Step 5: Solve for x
    x = 13,231,422,022.02/130,218.36
  6. Step 6: Final answer
    x = 101,609.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.