Home / 142,968.12-214,453.80-49,452

Finding the Fourth Proportional to 142,968.12, 214,453.80 and 49,452

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Solution

The fourth proportional to 142,968.12, 214,453.80 and 49,452 is: 74,178.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,968.12 : 214,453.80 = 49,452 : x
  2. Step 2: Convert to fraction form
    142,968.12/214,453.80 = 49,452/x
  3. Step 3: Cross multiply
    142,968.12x = 214,453.80 × 49,452
  4. Step 4: Simplify right side
    142,968.12x = 10,605,169,317.60
  5. Step 5: Solve for x
    x = 10,605,169,317.60/142,968.12
  6. Step 6: Final answer
    x = 74,178.56

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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.