Home / 239,633.32-330,751.60-144,121.64

Finding the Fourth Proportional to 239,633.32, 330,751.60 and 144,121.64

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Solution

The fourth proportional to 239,633.32, 330,751.60 and 144,121.64 is: 198,922.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,633.32 : 330,751.60 = 144,121.64 : x
  2. Step 2: Convert to fraction form
    239,633.32/330,751.60 = 144,121.64/x
  3. Step 3: Cross multiply
    239,633.32x = 330,751.60 × 144,121.64
  4. Step 4: Simplify right side
    239,633.32x = 47,668,463,024.62
  5. Step 5: Solve for x
    x = 47,668,463,024.62/239,633.32
  6. Step 6: Final answer
    x = 198,922.52

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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.