Home / 139,450.64-192,444.72-75,792.52

Finding the Fourth Proportional to 139,450.64, 192,444.72 and 75,792.52

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Solution

The fourth proportional to 139,450.64, 192,444.72 and 75,792.52 is: 104,595.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,450.64 : 192,444.72 = 75,792.52 : x
  2. Step 2: Convert to fraction form
    139,450.64/192,444.72 = 75,792.52/x
  3. Step 3: Cross multiply
    139,450.64x = 192,444.72 × 75,792.52
  4. Step 4: Simplify right side
    139,450.64x = 14,585,870,289.49
  5. Step 5: Solve for x
    x = 14,585,870,289.49/139,450.64
  6. Step 6: Final answer
    x = 104,595.22

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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.