Home / 248,266.56-342,608.64-135,089.44

Finding the Fourth Proportional to 248,266.56, 342,608.64 and 135,089.44

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Solution

The fourth proportional to 248,266.56, 342,608.64 and 135,089.44 is: 186,423.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,266.56 : 342,608.64 = 135,089.44 : x
  2. Step 2: Convert to fraction form
    248,266.56/342,608.64 = 135,089.44/x
  3. Step 3: Cross multiply
    248,266.56x = 342,608.64 × 135,089.44
  4. Step 4: Simplify right side
    248,266.56x = 46,282,809,316.76
  5. Step 5: Solve for x
    x = 46,282,809,316.76/248,266.56
  6. Step 6: Final answer
    x = 186,423.86

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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.