Home / 212,264.84-293,059.96-131,777.78

Finding the Fourth Proportional to 212,264.84, 293,059.96 and 131,777.78

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Solution

The fourth proportional to 212,264.84, 293,059.96 and 131,777.78 is: 181,936.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,264.84 : 293,059.96 = 131,777.78 : x
  2. Step 2: Convert to fraction form
    212,264.84/293,059.96 = 131,777.78/x
  3. Step 3: Cross multiply
    212,264.84x = 293,059.96 × 131,777.78
  4. Step 4: Simplify right side
    212,264.84x = 38,618,789,140.94
  5. Step 5: Solve for x
    x = 38,618,789,140.94/212,264.84
  6. Step 6: Final answer
    x = 181,936.81

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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.