Home / 203,631.84-281,011.86-118,732.50

Finding the Fourth Proportional to 203,631.84, 281,011.86 and 118,732.50

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Solution

The fourth proportional to 203,631.84, 281,011.86 and 118,732.50 is: 163,850.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,631.84 : 281,011.86 = 118,732.50 : x
  2. Step 2: Convert to fraction form
    203,631.84/281,011.86 = 118,732.50/x
  3. Step 3: Cross multiply
    203,631.84x = 281,011.86 × 118,732.50
  4. Step 4: Simplify right side
    203,631.84x = 33,365,240,667.45
  5. Step 5: Solve for x
    x = 33,365,240,667.45/203,631.84
  6. Step 6: Final answer
    x = 163,850.80

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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.