Home / 154,824.26-213,607.00-90,278.89

Finding the Fourth Proportional to 154,824.26, 213,607.00 and 90,278.89

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Solution

The fourth proportional to 154,824.26, 213,607.00 and 90,278.89 is: 124,555.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,824.26 : 213,607.00 = 90,278.89 : x
  2. Step 2: Convert to fraction form
    154,824.26/213,607.00 = 90,278.89/x
  3. Step 3: Cross multiply
    154,824.26x = 213,607.00 × 90,278.89
  4. Step 4: Simplify right side
    154,824.26x = 19,284,202,435.06
  5. Step 5: Solve for x
    x = 19,284,202,435.06/154,824.26
  6. Step 6: Final answer
    x = 124,555.44

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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.