Home / 130,919.20-180,657.41-73,554.03

Finding the Fourth Proportional to 130,919.20, 180,657.41 and 73,554.03

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Solution

The fourth proportional to 130,919.20, 180,657.41 and 73,554.03 is: 101,498.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,919.20 : 180,657.41 = 73,554.03 : x
  2. Step 2: Convert to fraction form
    130,919.20/180,657.41 = 73,554.03/x
  3. Step 3: Cross multiply
    130,919.20x = 180,657.41 × 73,554.03
  4. Step 4: Simplify right side
    130,919.20x = 13,288,080,187.09
  5. Step 5: Solve for x
    x = 13,288,080,187.09/130,919.20
  6. Step 6: Final answer
    x = 101,498.33

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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.