Home / 188,013.03-280,698.32-143,401.83

Finding the Fourth Proportional to 188,013.03, 280,698.32 and 143,401.83

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Solution

The fourth proportional to 188,013.03, 280,698.32 and 143,401.83 is: 214,095.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,013.03 : 280,698.32 = 143,401.83 : x
  2. Step 2: Convert to fraction form
    188,013.03/280,698.32 = 143,401.83/x
  3. Step 3: Cross multiply
    188,013.03x = 280,698.32 × 143,401.83
  4. Step 4: Simplify right side
    188,013.03x = 40,252,652,048.92
  5. Step 5: Solve for x
    x = 40,252,652,048.92/188,013.03
  6. Step 6: Final answer
    x = 214,095.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.