Home / 191,780.12-264,676.20-115,324.04

Finding the Fourth Proportional to 191,780.12, 264,676.20 and 115,324.04

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Solution

The fourth proportional to 191,780.12, 264,676.20 and 115,324.04 is: 159,158.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,780.12 : 264,676.20 = 115,324.04 : x
  2. Step 2: Convert to fraction form
    191,780.12/264,676.20 = 115,324.04/x
  3. Step 3: Cross multiply
    191,780.12x = 264,676.20 × 115,324.04
  4. Step 4: Simplify right side
    191,780.12x = 30,523,528,675.85
  5. Step 5: Solve for x
    x = 30,523,528,675.85/191,780.12
  6. Step 6: Final answer
    x = 159,158.98

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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.