Home / 135,452.46-186,945.39-77,309.24

Finding the Fourth Proportional to 135,452.46, 186,945.39 and 77,309.24

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Solution

The fourth proportional to 135,452.46, 186,945.39 and 77,309.24 is: 106,698.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,452.46 : 186,945.39 = 77,309.24 : x
  2. Step 2: Convert to fraction form
    135,452.46/186,945.39 = 77,309.24/x
  3. Step 3: Cross multiply
    135,452.46x = 186,945.39 × 77,309.24
  4. Step 4: Simplify right side
    135,452.46x = 14,452,606,489.77
  5. Step 5: Solve for x
    x = 14,452,606,489.77/135,452.46
  6. Step 6: Final answer
    x = 106,698.74

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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.