Home / 135,938.48-203,907.72-42,452.24

Finding the Fourth Proportional to 135,938.48, 203,907.72 and 42,452.24

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Solution

The fourth proportional to 135,938.48, 203,907.72 and 42,452.24 is: 63,678.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,938.48 : 203,907.72 = 42,452.24 : x
  2. Step 2: Convert to fraction form
    135,938.48/203,907.72 = 42,452.24/x
  3. Step 3: Cross multiply
    135,938.48x = 203,907.72 × 42,452.24
  4. Step 4: Simplify right side
    135,938.48x = 8,656,339,467.29
  5. Step 5: Solve for x
    x = 8,656,339,467.29/135,938.48
  6. Step 6: Final answer
    x = 63,678.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.