Home / 134,286.34-201,400.71-55,380.10

Finding the Fourth Proportional to 134,286.34, 201,400.71 and 55,380.10

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Solution

The fourth proportional to 134,286.34, 201,400.71 and 55,380.10 is: 83,058.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,286.34 : 201,400.71 = 55,380.10 : x
  2. Step 2: Convert to fraction form
    134,286.34/201,400.71 = 55,380.10/x
  3. Step 3: Cross multiply
    134,286.34x = 201,400.71 × 55,380.10
  4. Step 4: Simplify right side
    134,286.34x = 11,153,591,459.87
  5. Step 5: Solve for x
    x = 11,153,591,459.87/134,286.34
  6. Step 6: Final answer
    x = 83,058.27

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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.