Home / 188,014.03-280,699.81-143,402.83

Finding the Fourth Proportional to 188,014.03, 280,699.81 and 143,402.83

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Solution

The fourth proportional to 188,014.03, 280,699.81 and 143,402.83 is: 214,096.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,014.03 : 280,699.81 = 143,402.83 : x
  2. Step 2: Convert to fraction form
    188,014.03/280,699.81 = 143,402.83/x
  3. Step 3: Cross multiply
    188,014.03x = 280,699.81 × 143,402.83
  4. Step 4: Simplify right side
    188,014.03x = 40,253,147,134.46
  5. Step 5: Solve for x
    x = 40,253,147,134.46/188,014.03
  6. Step 6: Final answer
    x = 214,096.51

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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.