Home / 255,136.43-352,075.15-140,425.96

Finding the Fourth Proportional to 255,136.43, 352,075.15 and 140,425.96

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Solution

The fourth proportional to 255,136.43, 352,075.15 and 140,425.96 is: 193,780.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,136.43 : 352,075.15 = 140,425.96 : x
  2. Step 2: Convert to fraction form
    255,136.43/352,075.15 = 140,425.96/x
  3. Step 3: Cross multiply
    255,136.43x = 352,075.15 × 140,425.96
  4. Step 4: Simplify right side
    255,136.43x = 49,440,492,074.06
  5. Step 5: Solve for x
    x = 49,440,492,074.06/255,136.43
  6. Step 6: Final answer
    x = 193,780.61

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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.