Home / 102,779.56-154,200.39-48,785.68

Finding the Fourth Proportional to 102,779.56, 154,200.39 and 48,785.68

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Solution

The fourth proportional to 102,779.56, 154,200.39 and 48,785.68 is: 73,193.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,779.56 : 154,200.39 = 48,785.68 : x
  2. Step 2: Convert to fraction form
    102,779.56/154,200.39 = 48,785.68/x
  3. Step 3: Cross multiply
    102,779.56x = 154,200.39 × 48,785.68
  4. Step 4: Simplify right side
    102,779.56x = 7,522,770,882.42
  5. Step 5: Solve for x
    x = 7,522,770,882.42/102,779.56
  6. Step 6: Final answer
    x = 73,193.26

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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.