Home / 125,968.39-173,828.41-69,379.77

Finding the Fourth Proportional to 125,968.39, 173,828.41 and 69,379.77

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Solution

The fourth proportional to 125,968.39, 173,828.41 and 69,379.77 is: 95,739.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,968.39 : 173,828.41 = 69,379.77 : x
  2. Step 2: Convert to fraction form
    125,968.39/173,828.41 = 69,379.77/x
  3. Step 3: Cross multiply
    125,968.39x = 173,828.41 × 69,379.77
  4. Step 4: Simplify right side
    125,968.39x = 12,060,173,889.22
  5. Step 5: Solve for x
    x = 12,060,173,889.22/125,968.39
  6. Step 6: Final answer
    x = 95,739.68

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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.