Home / 130,002.09-195,104.82-66,819.66

Finding the Fourth Proportional to 130,002.09, 195,104.82 and 66,819.66

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Solution

The fourth proportional to 130,002.09, 195,104.82 and 66,819.66 is: 100,281.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,002.09 : 195,104.82 = 66,819.66 : x
  2. Step 2: Convert to fraction form
    130,002.09/195,104.82 = 66,819.66/x
  3. Step 3: Cross multiply
    130,002.09x = 195,104.82 × 66,819.66
  4. Step 4: Simplify right side
    130,002.09x = 13,036,837,736.76
  5. Step 5: Solve for x
    x = 13,036,837,736.76/130,002.09
  6. Step 6: Final answer
    x = 100,281.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.