Home / 248,419.56-342,807.66-135,242.04

Finding the Fourth Proportional to 248,419.56, 342,807.66 and 135,242.04

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Solution

The fourth proportional to 248,419.56, 342,807.66 and 135,242.04 is: 186,627.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,419.56 : 342,807.66 = 135,242.04 : x
  2. Step 2: Convert to fraction form
    248,419.56/342,807.66 = 135,242.04/x
  3. Step 3: Cross multiply
    248,419.56x = 342,807.66 × 135,242.04
  4. Step 4: Simplify right side
    248,419.56x = 46,362,007,266.03
  5. Step 5: Solve for x
    x = 46,362,007,266.03/248,419.56
  6. Step 6: Final answer
    x = 186,627.85

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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.