Home / 213,738.03-320,395.59-101,220.57

Finding the Fourth Proportional to 213,738.03, 320,395.59 and 101,220.57

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Solution

The fourth proportional to 213,738.03, 320,395.59 and 101,220.57 is: 151,730.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,738.03 : 320,395.59 = 101,220.57 : x
  2. Step 2: Convert to fraction form
    213,738.03/320,395.59 = 101,220.57/x
  3. Step 3: Cross multiply
    213,738.03x = 320,395.59 × 101,220.57
  4. Step 4: Simplify right side
    213,738.03x = 32,430,624,245.29
  5. Step 5: Solve for x
    x = 32,430,624,245.29/213,738.03
  6. Step 6: Final answer
    x = 151,730.72

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1.5x scale

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.