Home / 78,374.08-108,158.37-46,110.97

Finding the Fourth Proportional to 78,374.08, 108,158.37 and 46,110.97

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Solution

The fourth proportional to 78,374.08, 108,158.37 and 46,110.97 is: 63,634.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,374.08 : 108,158.37 = 46,110.97 : x
  2. Step 2: Convert to fraction form
    78,374.08/108,158.37 = 46,110.97/x
  3. Step 3: Cross multiply
    78,374.08x = 108,158.37 × 46,110.97
  4. Step 4: Simplify right side
    78,374.08x = 4,987,286,582.97
  5. Step 5: Solve for x
    x = 4,987,286,582.97/78,374.08
  6. Step 6: Final answer
    x = 63,634.39

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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.