Home / 145,286.66-200,414.64-135,011.67

Finding the Fourth Proportional to 145,286.66, 200,414.64 and 135,011.67

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Solution

The fourth proportional to 145,286.66, 200,414.64 and 135,011.67 is: 186,240.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,286.66 : 200,414.64 = 135,011.67 : x
  2. Step 2: Convert to fraction form
    145,286.66/200,414.64 = 135,011.67/x
  3. Step 3: Cross multiply
    145,286.66x = 200,414.64 × 135,011.67
  4. Step 4: Simplify right side
    145,286.66x = 27,058,315,238.85
  5. Step 5: Solve for x
    x = 27,058,315,238.85/145,286.66
  6. Step 6: Final answer
    x = 186,240.88

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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.