Home / 170,450.20-255,392.76-103,688.36

Finding the Fourth Proportional to 170,450.20, 255,392.76 and 103,688.36

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Solution

The fourth proportional to 170,450.20, 255,392.76 and 103,688.36 is: 155,360.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,450.20 : 255,392.76 = 103,688.36 : x
  2. Step 2: Convert to fraction form
    170,450.20/255,392.76 = 103,688.36/x
  3. Step 3: Cross multiply
    170,450.20x = 255,392.76 × 103,688.36
  4. Step 4: Simplify right side
    170,450.20x = 26,481,256,440.27
  5. Step 5: Solve for x
    x = 26,481,256,440.27/170,450.20
  6. Step 6: Final answer
    x = 155,360.67

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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.