Home / 139,252.47-192,168.23-75,590.26

Finding the Fourth Proportional to 139,252.47, 192,168.23 and 75,590.26

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Solution

The fourth proportional to 139,252.47, 192,168.23 and 75,590.26 is: 104,314.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,252.47 : 192,168.23 = 75,590.26 : x
  2. Step 2: Convert to fraction form
    139,252.47/192,168.23 = 75,590.26/x
  3. Step 3: Cross multiply
    139,252.47x = 192,168.23 × 75,590.26
  4. Step 4: Simplify right side
    139,252.47x = 14,526,046,469.44
  5. Step 5: Solve for x
    x = 14,526,046,469.44/139,252.47
  6. Step 6: Final answer
    x = 104,314.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.