Home / 142,739.39-214,050.76-49,223.27

Finding the Fourth Proportional to 142,739.39, 214,050.76 and 49,223.27

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Solution

The fourth proportional to 142,739.39, 214,050.76 and 49,223.27 is: 73,814.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,739.39 : 214,050.76 = 49,223.27 : x
  2. Step 2: Convert to fraction form
    142,739.39/214,050.76 = 49,223.27/x
  3. Step 3: Cross multiply
    142,739.39x = 214,050.76 × 49,223.27
  4. Step 4: Simplify right side
    142,739.39x = 10,536,278,353.19
  5. Step 5: Solve for x
    x = 10,536,278,353.19/142,739.39
  6. Step 6: Final answer
    x = 73,814.79

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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.