Home / 130,206.72-179,680.37-73,619.31

Finding the Fourth Proportional to 130,206.72, 179,680.37 and 73,619.31

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Solution

The fourth proportional to 130,206.72, 179,680.37 and 73,619.31 is: 101,591.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,206.72 : 179,680.37 = 73,619.31 : x
  2. Step 2: Convert to fraction form
    130,206.72/179,680.37 = 73,619.31/x
  3. Step 3: Cross multiply
    130,206.72x = 179,680.37 × 73,619.31
  4. Step 4: Simplify right side
    130,206.72x = 13,227,944,491.85
  5. Step 5: Solve for x
    x = 13,227,944,491.85/130,206.72
  6. Step 6: Final answer
    x = 101,591.87

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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.