Home / 129,858.69-194,875.52-50,963.61

Finding the Fourth Proportional to 129,858.69, 194,875.52 and 50,963.61

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Solution

The fourth proportional to 129,858.69, 194,875.52 and 50,963.61 is: 76,479.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,858.69 : 194,875.52 = 50,963.61 : x
  2. Step 2: Convert to fraction form
    129,858.69/194,875.52 = 50,963.61/x
  3. Step 3: Cross multiply
    129,858.69x = 194,875.52 × 50,963.61
  4. Step 4: Simplify right side
    129,858.69x = 9,931,559,745.01
  5. Step 5: Solve for x
    x = 9,931,559,745.01/129,858.69
  6. Step 6: Final answer
    x = 76,479.75

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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.