Home / 189,522.84-261,542.01-103,481.94

Finding the Fourth Proportional to 189,522.84, 261,542.01 and 103,481.94

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Solution

The fourth proportional to 189,522.84, 261,542.01 and 103,481.94 is: 142,805.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,522.84 : 261,542.01 = 103,481.94 : x
  2. Step 2: Convert to fraction form
    189,522.84/261,542.01 = 103,481.94/x
  3. Step 3: Cross multiply
    189,522.84x = 261,542.01 × 103,481.94
  4. Step 4: Simplify right side
    189,522.84x = 27,064,874,586.30
  5. Step 5: Solve for x
    x = 27,064,874,586.30/189,522.84
  6. Step 6: Final answer
    x = 142,805.35

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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.