Home / 248,904.14-343,487.08-135,726.90

Finding the Fourth Proportional to 248,904.14, 343,487.08 and 135,726.90

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Solution

The fourth proportional to 248,904.14, 343,487.08 and 135,726.90 is: 187,302.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,904.14 : 343,487.08 = 135,726.90 : x
  2. Step 2: Convert to fraction form
    248,904.14/343,487.08 = 135,726.90/x
  3. Step 3: Cross multiply
    248,904.14x = 343,487.08 × 135,726.90
  4. Step 4: Simplify right side
    248,904.14x = 46,620,436,558.45
  5. Step 5: Solve for x
    x = 46,620,436,558.45/248,904.14
  6. Step 6: Final answer
    x = 187,302.78

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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.