Home / 203,035.26-280,189.30-109,900.98

Finding the Fourth Proportional to 203,035.26, 280,189.30 and 109,900.98

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Solution

The fourth proportional to 203,035.26, 280,189.30 and 109,900.98 is: 151,663.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,035.26 : 280,189.30 = 109,900.98 : x
  2. Step 2: Convert to fraction form
    203,035.26/280,189.30 = 109,900.98/x
  3. Step 3: Cross multiply
    203,035.26x = 280,189.30 × 109,900.98
  4. Step 4: Simplify right side
    203,035.26x = 30,793,078,655.51
  5. Step 5: Solve for x
    x = 30,793,078,655.51/203,035.26
  6. Step 6: Final answer
    x = 151,663.70

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1.5x scale

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.