Home / 125,782.27-173,584.03-72,077.65

Finding the Fourth Proportional to 125,782.27, 173,584.03 and 72,077.65

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Solution

The fourth proportional to 125,782.27, 173,584.03 and 72,077.65 is: 99,469.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,782.27 : 173,584.03 = 72,077.65 : x
  2. Step 2: Convert to fraction form
    125,782.27/173,584.03 = 72,077.65/x
  3. Step 3: Cross multiply
    125,782.27x = 173,584.03 × 72,077.65
  4. Step 4: Simplify right side
    125,782.27x = 12,511,529,731.42
  5. Step 5: Solve for x
    x = 12,511,529,731.42/125,782.27
  6. Step 6: Final answer
    x = 99,469.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.