Home / 260,150.85-390,226.32-73,162.35

Finding the Fourth Proportional to 260,150.85, 390,226.32 and 73,162.35

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Solution

The fourth proportional to 260,150.85, 390,226.32 and 73,162.35 is: 109,743.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,150.85 : 390,226.32 = 73,162.35 : x
  2. Step 2: Convert to fraction form
    260,150.85/390,226.32 = 73,162.35/x
  3. Step 3: Cross multiply
    260,150.85x = 390,226.32 × 73,162.35
  4. Step 4: Simplify right side
    260,150.85x = 28,549,874,603.05
  5. Step 5: Solve for x
    x = 28,549,874,603.05/260,150.85
  6. Step 6: Final answer
    x = 109,743.54

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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.