Home / 134,305.20-201,530.70-55,427.40

Finding the Fourth Proportional to 134,305.20, 201,530.70 and 55,427.40

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Solution

The fourth proportional to 134,305.20, 201,530.70 and 55,427.40 is: 83,171.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,305.20 : 201,530.70 = 55,427.40 : x
  2. Step 2: Convert to fraction form
    134,305.20/201,530.70 = 55,427.40/x
  3. Step 3: Cross multiply
    134,305.20x = 201,530.70 × 55,427.40
  4. Step 4: Simplify right side
    134,305.20x = 11,170,322,721.18
  5. Step 5: Solve for x
    x = 11,170,322,721.18/134,305.20
  6. Step 6: Final answer
    x = 83,171.19

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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.