Home / 135,718.38-203,554.89-42,216.84

Finding the Fourth Proportional to 135,718.38, 203,554.89 and 42,216.84

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Solution

The fourth proportional to 135,718.38, 203,554.89 and 42,216.84 is: 63,318.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,718.38 : 203,554.89 = 42,216.84 : x
  2. Step 2: Convert to fraction form
    135,718.38/203,554.89 = 42,216.84/x
  3. Step 3: Cross multiply
    135,718.38x = 203,554.89 × 42,216.84
  4. Step 4: Simplify right side
    135,718.38x = 8,593,444,222.35
  5. Step 5: Solve for x
    x = 8,593,444,222.35/135,718.38
  6. Step 6: Final answer
    x = 63,318.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.