Home / 154,625.41-213,379.44-90,967.30

Finding the Fourth Proportional to 154,625.41, 213,379.44 and 90,967.30

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Solution

The fourth proportional to 154,625.41, 213,379.44 and 90,967.30 is: 125,532.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,625.41 : 213,379.44 = 90,967.30 : x
  2. Step 2: Convert to fraction form
    154,625.41/213,379.44 = 90,967.30/x
  3. Step 3: Cross multiply
    154,625.41x = 213,379.44 × 90,967.30
  4. Step 4: Simplify right side
    154,625.41x = 19,410,550,465.41
  5. Step 5: Solve for x
    x = 19,410,550,465.41/154,625.41
  6. Step 6: Final answer
    x = 125,532.74

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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.