Home / 139,464.32-209,194.65-34,284.20

Finding the Fourth Proportional to 139,464.32, 209,194.65 and 34,284.20

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Solution

The fourth proportional to 139,464.32, 209,194.65 and 34,284.20 is: 51,425.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,464.32 : 209,194.65 = 34,284.20 : x
  2. Step 2: Convert to fraction form
    139,464.32/209,194.65 = 34,284.20/x
  3. Step 3: Cross multiply
    139,464.32x = 209,194.65 × 34,284.20
  4. Step 4: Simplify right side
    139,464.32x = 7,172,070,173.56
  5. Step 5: Solve for x
    x = 7,172,070,173.56/139,464.32
  6. Step 6: Final answer
    x = 51,425.84

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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.