Home / 142,873.24-214,345.50-100,835.44

Finding the Fourth Proportional to 142,873.24, 214,345.50 and 100,835.44

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Solution

The fourth proportional to 142,873.24, 214,345.50 and 100,835.44 is: 151,278.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,873.24 : 214,345.50 = 100,835.44 : x
  2. Step 2: Convert to fraction form
    142,873.24/214,345.50 = 100,835.44/x
  3. Step 3: Cross multiply
    142,873.24x = 214,345.50 × 100,835.44
  4. Step 4: Simplify right side
    142,873.24x = 21,613,622,804.52
  5. Step 5: Solve for x
    x = 21,613,622,804.52/142,873.24
  6. Step 6: Final answer
    x = 151,278.31

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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.