Home / 154,824.44-213,607.26-90,279.08

Finding the Fourth Proportional to 154,824.44, 213,607.26 and 90,279.08

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Solution

The fourth proportional to 154,824.44, 213,607.26 and 90,279.08 is: 124,555.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,824.44 : 213,607.26 = 90,279.08 : x
  2. Step 2: Convert to fraction form
    154,824.44/213,607.26 = 90,279.08/x
  3. Step 3: Cross multiply
    154,824.44x = 213,607.26 × 90,279.08
  4. Step 4: Simplify right side
    154,824.44x = 19,284,265,846.08
  5. Step 5: Solve for x
    x = 19,284,265,846.08/154,824.44
  6. Step 6: Final answer
    x = 124,555.69

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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.