Home / 142,424.25-213,636.84-53,653.92

Finding the Fourth Proportional to 142,424.25, 213,636.84 and 53,653.92

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Solution

The fourth proportional to 142,424.25, 213,636.84 and 53,653.92 is: 80,481.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,424.25 : 213,636.84 = 53,653.92 : x
  2. Step 2: Convert to fraction form
    142,424.25/213,636.84 = 53,653.92/x
  3. Step 3: Cross multiply
    142,424.25x = 213,636.84 × 53,653.92
  4. Step 4: Simplify right side
    142,424.25x = 11,462,453,922.41
  5. Step 5: Solve for x
    x = 11,462,453,922.41/142,424.25
  6. Step 6: Final answer
    x = 80,481.06

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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.