Home / 230,068.20-345,034.20-103,635.36

Finding the Fourth Proportional to 230,068.20, 345,034.20 and 103,635.36

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Solution

The fourth proportional to 230,068.20, 345,034.20 and 103,635.36 is: 155,422.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,068.20 : 345,034.20 = 103,635.36 : x
  2. Step 2: Convert to fraction form
    230,068.20/345,034.20 = 103,635.36/x
  3. Step 3: Cross multiply
    230,068.20x = 345,034.20 × 103,635.36
  4. Step 4: Simplify right side
    230,068.20x = 35,757,743,529.31
  5. Step 5: Solve for x
    x = 35,757,743,529.31/230,068.20
  6. Step 6: Final answer
    x = 155,422.36

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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.