Home / 253,664.63-380,500.14-76,161.32

Finding the Fourth Proportional to 253,664.63, 380,500.14 and 76,161.32

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Solution

The fourth proportional to 253,664.63, 380,500.14 and 76,161.32 is: 114,242.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,664.63 : 380,500.14 = 76,161.32 : x
  2. Step 2: Convert to fraction form
    253,664.63/380,500.14 = 76,161.32/x
  3. Step 3: Cross multiply
    253,664.63x = 380,500.14 × 76,161.32
  4. Step 4: Simplify right side
    253,664.63x = 28,979,392,922.58
  5. Step 5: Solve for x
    x = 28,979,392,922.58/253,664.63
  6. Step 6: Final answer
    x = 114,242.94

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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.