Home / 143,348.58-214,106.16-129,819.60

Finding the Fourth Proportional to 143,348.58, 214,106.16 and 129,819.60

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Solution

The fourth proportional to 143,348.58, 214,106.16 and 129,819.60 is: 193,899.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,348.58 : 214,106.16 = 129,819.60 : x
  2. Step 2: Convert to fraction form
    143,348.58/214,106.16 = 129,819.60/x
  3. Step 3: Cross multiply
    143,348.58x = 214,106.16 × 129,819.60
  4. Step 4: Simplify right side
    143,348.58x = 27,795,176,048.74
  5. Step 5: Solve for x
    x = 27,795,176,048.74/143,348.58
  6. Step 6: Final answer
    x = 193,899.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.