Home / 239,532.45-330,649.25-144,020.69

Finding the Fourth Proportional to 239,532.45, 330,649.25 and 144,020.69

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Solution

The fourth proportional to 239,532.45, 330,649.25 and 144,020.69 is: 198,805.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,532.45 : 330,649.25 = 144,020.69 : x
  2. Step 2: Convert to fraction form
    239,532.45/330,649.25 = 144,020.69/x
  3. Step 3: Cross multiply
    239,532.45x = 330,649.25 × 144,020.69
  4. Step 4: Simplify right side
    239,532.45x = 47,620,333,132.98
  5. Step 5: Solve for x
    x = 47,620,333,132.98/239,532.45
  6. Step 6: Final answer
    x = 198,805.35

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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.