Home / 155,339.87-233,007.44-69,890.37

Finding the Fourth Proportional to 155,339.87, 233,007.44 and 69,890.37

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Solution

The fourth proportional to 155,339.87, 233,007.44 and 69,890.37 is: 104,834.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,339.87 : 233,007.44 = 69,890.37 : x
  2. Step 2: Convert to fraction form
    155,339.87/233,007.44 = 69,890.37/x
  3. Step 3: Cross multiply
    155,339.87x = 233,007.44 × 69,890.37
  4. Step 4: Simplify right side
    155,339.87x = 16,284,975,844.90
  5. Step 5: Solve for x
    x = 16,284,975,844.90/155,339.87
  6. Step 6: Final answer
    x = 104,834.49

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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.