Home / 130,105.18-179,540.58-73,515.34

Finding the Fourth Proportional to 130,105.18, 179,540.58 and 73,515.34

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Solution

The fourth proportional to 130,105.18, 179,540.58 and 73,515.34 is: 101,448.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,105.18 : 179,540.58 = 73,515.34 : x
  2. Step 2: Convert to fraction form
    130,105.18/179,540.58 = 73,515.34/x
  3. Step 3: Cross multiply
    130,105.18x = 179,540.58 × 73,515.34
  4. Step 4: Simplify right side
    130,105.18x = 13,198,986,782.50
  5. Step 5: Solve for x
    x = 13,198,986,782.50/130,105.18
  6. Step 6: Final answer
    x = 101,448.59

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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.