Home / 130,104.20-179,539.20-73,514.36

Finding the Fourth Proportional to 130,104.20, 179,539.20 and 73,514.36

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Solution

The fourth proportional to 130,104.20, 179,539.20 and 73,514.36 is: 101,447.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,104.20 : 179,539.20 = 73,514.36 : x
  2. Step 2: Convert to fraction form
    130,104.20/179,539.20 = 73,514.36/x
  3. Step 3: Cross multiply
    130,104.20x = 179,539.20 × 73,514.36
  4. Step 4: Simplify right side
    130,104.20x = 13,198,709,382.91
  5. Step 5: Solve for x
    x = 13,198,709,382.91/130,104.20
  6. Step 6: Final answer
    x = 101,447.22

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1.5x scale

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.