Home / 129,667.04-194,533.36-36,172.72

Finding the Fourth Proportional to 129,667.04, 194,533.36 and 36,172.72

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Solution

The fourth proportional to 129,667.04, 194,533.36 and 36,172.72 is: 54,268.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,667.04 : 194,533.36 = 36,172.72 : x
  2. Step 2: Convert to fraction form
    129,667.04/194,533.36 = 36,172.72/x
  3. Step 3: Cross multiply
    129,667.04x = 194,533.36 × 36,172.72
  4. Step 4: Simplify right side
    129,667.04x = 7,036,800,761.94
  5. Step 5: Solve for x
    x = 7,036,800,761.94/129,667.04
  6. Step 6: Final answer
    x = 54,268.23

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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.