Home / 142,965.12-214,449.30-49,449

Finding the Fourth Proportional to 142,965.12, 214,449.30 and 49,449

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Solution

The fourth proportional to 142,965.12, 214,449.30 and 49,449 is: 74,174.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,965.12 : 214,449.30 = 49,449 : x
  2. Step 2: Convert to fraction form
    142,965.12/214,449.30 = 49,449/x
  3. Step 3: Cross multiply
    142,965.12x = 214,449.30 × 49,449
  4. Step 4: Simplify right side
    142,965.12x = 10,604,303,435.70
  5. Step 5: Solve for x
    x = 10,604,303,435.70/142,965.12
  6. Step 6: Final answer
    x = 74,174.06

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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.