Home / 86,218.85-118,992.37-52,226.34

Finding the Fourth Proportional to 86,218.85, 118,992.37 and 52,226.34

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Solution

The fourth proportional to 86,218.85, 118,992.37 and 52,226.34 is: 72,078.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,218.85 : 118,992.37 = 52,226.34 : x
  2. Step 2: Convert to fraction form
    86,218.85/118,992.37 = 52,226.34/x
  3. Step 3: Cross multiply
    86,218.85x = 118,992.37 × 52,226.34
  4. Step 4: Simplify right side
    86,218.85x = 6,214,535,347.28
  5. Step 5: Solve for x
    x = 6,214,535,347.28/86,218.85
  6. Step 6: Final answer
    x = 72,078.62

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1.5x scale

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.