Home / 140,285.36-210,429.96-46,791.20

Finding the Fourth Proportional to 140,285.36, 210,429.96 and 46,791.20

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Solution

The fourth proportional to 140,285.36, 210,429.96 and 46,791.20 is: 70,187.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,285.36 : 210,429.96 = 46,791.20 : x
  2. Step 2: Convert to fraction form
    140,285.36/210,429.96 = 46,791.20/x
  3. Step 3: Cross multiply
    140,285.36x = 210,429.96 × 46,791.20
  4. Step 4: Simplify right side
    140,285.36x = 9,846,270,344.35
  5. Step 5: Solve for x
    x = 9,846,270,344.35/140,285.36
  6. Step 6: Final answer
    x = 70,187.44

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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.