Home / 248,438.64-342,833.88-135,261.04

Finding the Fourth Proportional to 248,438.64, 342,833.88 and 135,261.04

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Solution

The fourth proportional to 248,438.64, 342,833.88 and 135,261.04 is: 186,654.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,438.64 : 342,833.88 = 135,261.04 : x
  2. Step 2: Convert to fraction form
    248,438.64/342,833.88 = 135,261.04/x
  3. Step 3: Cross multiply
    248,438.64x = 342,833.88 × 135,261.04
  4. Step 4: Simplify right side
    248,438.64x = 46,372,067,156.04
  5. Step 5: Solve for x
    x = 46,372,067,156.04/248,438.64
  6. Step 6: Final answer
    x = 186,654.01

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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.