Home / 248,613.03-343,085.91-135,435.78

Finding the Fourth Proportional to 248,613.03, 343,085.91 and 135,435.78

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Solution

The fourth proportional to 248,613.03, 343,085.91 and 135,435.78 is: 186,901.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,613.03 : 343,085.91 = 135,435.78 : x
  2. Step 2: Convert to fraction form
    248,613.03/343,085.91 = 135,435.78/x
  3. Step 3: Cross multiply
    248,613.03x = 343,085.91 × 135,435.78
  4. Step 4: Simplify right side
    248,613.03x = 46,466,107,827.86
  5. Step 5: Solve for x
    x = 46,466,107,827.86/248,613.03
  6. Step 6: Final answer
    x = 186,901.34

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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.