Home / 248,438.91-342,845.55-135,261.66

Finding the Fourth Proportional to 248,438.91, 342,845.55 and 135,261.66

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Solution

The fourth proportional to 248,438.91, 342,845.55 and 135,261.66 is: 186,661.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,438.91 : 342,845.55 = 135,261.66 : x
  2. Step 2: Convert to fraction form
    248,438.91/342,845.55 = 135,261.66/x
  3. Step 3: Cross multiply
    248,438.91x = 342,845.55 × 135,261.66
  4. Step 4: Simplify right side
    248,438.91x = 46,373,858,216.61
  5. Step 5: Solve for x
    x = 46,373,858,216.61/248,438.91
  6. Step 6: Final answer
    x = 186,661.01

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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.