Home / 253,946.45-350,450.04-139,235.57

Finding the Fourth Proportional to 253,946.45, 350,450.04 and 139,235.57

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Solution

The fourth proportional to 253,946.45, 350,450.04 and 139,235.57 is: 192,147.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,946.45 : 350,450.04 = 139,235.57 : x
  2. Step 2: Convert to fraction form
    253,946.45/350,450.04 = 139,235.57/x
  3. Step 3: Cross multiply
    253,946.45x = 350,450.04 × 139,235.57
  4. Step 4: Simplify right side
    253,946.45x = 48,795,109,323.67
  5. Step 5: Solve for x
    x = 48,795,109,323.67/253,946.45
  6. Step 6: Final answer
    x = 192,147.24

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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.