Home / 239,634.32-330,752.98-144,122.64

Finding the Fourth Proportional to 239,634.32, 330,752.98 and 144,122.64

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Solution

The fourth proportional to 239,634.32, 330,752.98 and 144,122.64 is: 198,923.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,634.32 : 330,752.98 = 144,122.64 : x
  2. Step 2: Convert to fraction form
    239,634.32/330,752.98 = 144,122.64/x
  3. Step 3: Cross multiply
    239,634.32x = 330,752.98 × 144,122.64
  4. Step 4: Simplify right side
    239,634.32x = 47,668,992,665.47
  5. Step 5: Solve for x
    x = 47,668,992,665.47/239,634.32
  6. Step 6: Final answer
    x = 198,923.90

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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.