Home / 248,716.72-343,219.08-135,537.04

Finding the Fourth Proportional to 248,716.72, 343,219.08 and 135,537.04

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Solution

The fourth proportional to 248,716.72, 343,219.08 and 135,537.04 is: 187,035.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,716.72 : 343,219.08 = 135,537.04 : x
  2. Step 2: Convert to fraction form
    248,716.72/343,219.08 = 135,537.04/x
  3. Step 3: Cross multiply
    248,716.72x = 343,219.08 × 135,537.04
  4. Step 4: Simplify right side
    248,716.72x = 46,518,898,174.72
  5. Step 5: Solve for x
    x = 46,518,898,174.72/248,716.72
  6. Step 6: Final answer
    x = 187,035.67

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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.