Home / 165,043.32-247,525.14-76,211.43

Finding the Fourth Proportional to 165,043.32, 247,525.14 and 76,211.43

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Solution

The fourth proportional to 165,043.32, 247,525.14 and 76,211.43 is: 114,298.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,043.32 : 247,525.14 = 76,211.43 : x
  2. Step 2: Convert to fraction form
    165,043.32/247,525.14 = 76,211.43/x
  3. Step 3: Cross multiply
    165,043.32x = 247,525.14 × 76,211.43
  4. Step 4: Simplify right side
    165,043.32x = 18,864,244,880.35
  5. Step 5: Solve for x
    x = 18,864,244,880.35/165,043.32
  6. Step 6: Final answer
    x = 114,298.75

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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.