Home / 248,749.90-343,284.38-135,572.65

Finding the Fourth Proportional to 248,749.90, 343,284.38 and 135,572.65

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Solution

The fourth proportional to 248,749.90, 343,284.38 and 135,572.65 is: 187,095.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,749.90 : 343,284.38 = 135,572.65 : x
  2. Step 2: Convert to fraction form
    248,749.90/343,284.38 = 135,572.65/x
  3. Step 3: Cross multiply
    248,749.90x = 343,284.38 × 135,572.65
  4. Step 4: Simplify right side
    248,749.90x = 46,539,973,100.21
  5. Step 5: Solve for x
    x = 46,539,973,100.21/248,749.90
  6. Step 6: Final answer
    x = 187,095.44

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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.