Home / 143,782.48-215,699.70-49,007.44

Finding the Fourth Proportional to 143,782.48, 215,699.70 and 49,007.44

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Solution

The fourth proportional to 143,782.48, 215,699.70 and 49,007.44 is: 73,520.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,782.48 : 215,699.70 = 49,007.44 : x
  2. Step 2: Convert to fraction form
    143,782.48/215,699.70 = 49,007.44/x
  3. Step 3: Cross multiply
    143,782.48x = 215,699.70 × 49,007.44
  4. Step 4: Simplify right side
    143,782.48x = 10,570,890,105.77
  5. Step 5: Solve for x
    x = 10,570,890,105.77/143,782.48
  6. Step 6: Final answer
    x = 73,520.02

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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.