Home / 239,453.55-330,485.27-144,012.87

Finding the Fourth Proportional to 239,453.55, 330,485.27 and 144,012.87

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Solution

The fourth proportional to 239,453.55, 330,485.27 and 144,012.87 is: 198,761.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,453.55 : 330,485.27 = 144,012.87 : x
  2. Step 2: Convert to fraction form
    239,453.55/330,485.27 = 144,012.87/x
  3. Step 3: Cross multiply
    239,453.55x = 330,485.27 × 144,012.87
  4. Step 4: Simplify right side
    239,453.55x = 47,594,131,505.36
  5. Step 5: Solve for x
    x = 47,594,131,505.36/239,453.55
  6. Step 6: Final answer
    x = 198,761.44

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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.