Home / 203,856.03-281,323.02-113,213.50

Finding the Fourth Proportional to 203,856.03, 281,323.02 and 113,213.50

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Solution

The fourth proportional to 203,856.03, 281,323.02 and 113,213.50 is: 156,235.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,856.03 : 281,323.02 = 113,213.50 : x
  2. Step 2: Convert to fraction form
    203,856.03/281,323.02 = 113,213.50/x
  3. Step 3: Cross multiply
    203,856.03x = 281,323.02 × 113,213.50
  4. Step 4: Simplify right side
    203,856.03x = 31,849,563,724.77
  5. Step 5: Solve for x
    x = 31,849,563,724.77/203,856.03
  6. Step 6: Final answer
    x = 156,235.57

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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.