Home / 248,318.94-342,669.51-135,141.42

Finding the Fourth Proportional to 248,318.94, 342,669.51 and 135,141.42

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Solution

The fourth proportional to 248,318.94, 342,669.51 and 135,141.42 is: 186,489.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,318.94 : 342,669.51 = 135,141.42 : x
  2. Step 2: Convert to fraction form
    248,318.94/342,669.51 = 135,141.42/x
  3. Step 3: Cross multiply
    248,318.94x = 342,669.51 × 135,141.42
  4. Step 4: Simplify right side
    248,318.94x = 46,308,844,172.10
  5. Step 5: Solve for x
    x = 46,308,844,172.10/248,318.94
  6. Step 6: Final answer
    x = 186,489.38

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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.