Home / 135,726.21-203,589.31-73,518.21

Finding the Fourth Proportional to 135,726.21, 203,589.31 and 73,518.21

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Solution

The fourth proportional to 135,726.21, 203,589.31 and 73,518.21 is: 110,277.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,726.21 : 203,589.31 = 73,518.21 : x
  2. Step 2: Convert to fraction form
    135,726.21/203,589.31 = 73,518.21/x
  3. Step 3: Cross multiply
    135,726.21x = 203,589.31 × 73,518.21
  4. Step 4: Simplify right side
    135,726.21x = 14,967,520,628.39
  5. Step 5: Solve for x
    x = 14,967,520,628.39/135,726.21
  6. Step 6: Final answer
    x = 110,277.31

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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.