Home / 203,054.10-304,756.10-140,768.34

Finding the Fourth Proportional to 203,054.10, 304,756.10 and 140,768.34

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Solution

The fourth proportional to 203,054.10, 304,756.10 and 140,768.34 is: 211,273.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,054.10 : 304,756.10 = 140,768.34 : x
  2. Step 2: Convert to fraction form
    203,054.10/304,756.10 = 140,768.34/x
  3. Step 3: Cross multiply
    203,054.10x = 304,756.10 × 140,768.34
  4. Step 4: Simplify right side
    203,054.10x = 42,900,010,301.87
  5. Step 5: Solve for x
    x = 42,900,010,301.87/203,054.10
  6. Step 6: Final answer
    x = 211,273.80

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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.