Home / 203,820.78-281,263.29-113,182.52

Finding the Fourth Proportional to 203,820.78, 281,263.29 and 113,182.52

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Solution

The fourth proportional to 203,820.78, 281,263.29 and 113,182.52 is: 156,186.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,820.78 : 281,263.29 = 113,182.52 : x
  2. Step 2: Convert to fraction form
    203,820.78/281,263.29 = 113,182.52/x
  3. Step 3: Cross multiply
    203,820.78x = 281,263.29 × 113,182.52
  4. Step 4: Simplify right side
    203,820.78x = 31,834,087,945.69
  5. Step 5: Solve for x
    x = 31,834,087,945.69/203,820.78
  6. Step 6: Final answer
    x = 156,186.67

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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.