Home / 149,040.89-205,729.23-88,611.24

Finding the Fourth Proportional to 149,040.89, 205,729.23 and 88,611.24

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Solution

The fourth proportional to 149,040.89, 205,729.23 and 88,611.24 is: 122,314.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,040.89 : 205,729.23 = 88,611.24 : x
  2. Step 2: Convert to fraction form
    149,040.89/205,729.23 = 88,611.24/x
  3. Step 3: Cross multiply
    149,040.89x = 205,729.23 × 88,611.24
  4. Step 4: Simplify right side
    149,040.89x = 18,229,923,278.32
  5. Step 5: Solve for x
    x = 18,229,923,278.32/149,040.89
  6. Step 6: Final answer
    x = 122,314.91

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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.