Home / 135,208.07-202,669.10-50,931.77

Finding the Fourth Proportional to 135,208.07, 202,669.10 and 50,931.77

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Solution

The fourth proportional to 135,208.07, 202,669.10 and 50,931.77 is: 76,343.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,208.07 : 202,669.10 = 50,931.77 : x
  2. Step 2: Convert to fraction form
    135,208.07/202,669.10 = 50,931.77/x
  3. Step 3: Cross multiply
    135,208.07x = 202,669.10 × 50,931.77
  4. Step 4: Simplify right side
    135,208.07x = 10,322,294,719.30
  5. Step 5: Solve for x
    x = 10,322,294,719.30/135,208.07
  6. Step 6: Final answer
    x = 76,343.78

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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.