Home / 235,542.18-353,099.48-85,676.54

Finding the Fourth Proportional to 235,542.18, 353,099.48 and 85,676.54

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Solution

The fourth proportional to 235,542.18, 353,099.48 and 85,676.54 is: 128,437.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,542.18 : 353,099.48 = 85,676.54 : x
  2. Step 2: Convert to fraction form
    235,542.18/353,099.48 = 85,676.54/x
  3. Step 3: Cross multiply
    235,542.18x = 353,099.48 × 85,676.54
  4. Step 4: Simplify right side
    235,542.18x = 30,252,341,722.20
  5. Step 5: Solve for x
    x = 30,252,341,722.20/235,542.18
  6. Step 6: Final answer
    x = 128,437.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.