Home / 130,676.09-180,388.22-88,292.03

Finding the Fourth Proportional to 130,676.09, 180,388.22 and 88,292.03

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Solution

The fourth proportional to 130,676.09, 180,388.22 and 88,292.03 is: 121,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,676.09 : 180,388.22 = 88,292.03 : x
  2. Step 2: Convert to fraction form
    130,676.09/180,388.22 = 88,292.03/x
  3. Step 3: Cross multiply
    130,676.09x = 180,388.22 × 88,292.03
  4. Step 4: Simplify right side
    130,676.09x = 15,926,840,788.49
  5. Step 5: Solve for x
    x = 15,926,840,788.49/130,676.09
  6. Step 6: Final answer
    x = 121,880.30

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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.