Home / 135,356.09-203,233.72-75,501.51

Finding the Fourth Proportional to 135,356.09, 203,233.72 and 75,501.51

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Solution

The fourth proportional to 135,356.09, 203,233.72 and 75,501.51 is: 113,363.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,356.09 : 203,233.72 = 75,501.51 : x
  2. Step 2: Convert to fraction form
    135,356.09/203,233.72 = 75,501.51/x
  3. Step 3: Cross multiply
    135,356.09x = 203,233.72 × 75,501.51
  4. Step 4: Simplify right side
    135,356.09x = 15,344,451,726.75
  5. Step 5: Solve for x
    x = 15,344,451,726.75/135,356.09
  6. Step 6: Final answer
    x = 113,363.59

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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.