Home / 129,778.42-194,667.81-36,284.08

Finding the Fourth Proportional to 129,778.42, 194,667.81 and 36,284.08

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Solution

The fourth proportional to 129,778.42, 194,667.81 and 36,284.08 is: 54,426.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,778.42 : 194,667.81 = 36,284.08 : x
  2. Step 2: Convert to fraction form
    129,778.42/194,667.81 = 36,284.08/x
  3. Step 3: Cross multiply
    129,778.42x = 194,667.81 × 36,284.08
  4. Step 4: Simplify right side
    129,778.42x = 7,063,342,391.46
  5. Step 5: Solve for x
    x = 7,063,342,391.46/129,778.42
  6. Step 6: Final answer
    x = 54,426.17

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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.