Home / 250,284.44-345,401.16-137,107.20

Finding the Fourth Proportional to 250,284.44, 345,401.16 and 137,107.20

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Solution

The fourth proportional to 250,284.44, 345,401.16 and 137,107.20 is: 189,212.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,284.44 : 345,401.16 = 137,107.20 : x
  2. Step 2: Convert to fraction form
    250,284.44/345,401.16 = 137,107.20/x
  3. Step 3: Cross multiply
    250,284.44x = 345,401.16 × 137,107.20
  4. Step 4: Simplify right side
    250,284.44x = 47,356,985,924.35
  5. Step 5: Solve for x
    x = 47,356,985,924.35/250,284.44
  6. Step 6: Final answer
    x = 189,212.67

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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.