Home / 119,410.48-164,731.32-76,982.68

Finding the Fourth Proportional to 119,410.48, 164,731.32 and 76,982.68

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Solution

The fourth proportional to 119,410.48, 164,731.32 and 76,982.68 is: 106,200.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,410.48 : 164,731.32 = 76,982.68 : x
  2. Step 2: Convert to fraction form
    119,410.48/164,731.32 = 76,982.68/x
  3. Step 3: Cross multiply
    119,410.48x = 164,731.32 × 76,982.68
  4. Step 4: Simplify right side
    119,410.48x = 12,681,458,493.54
  5. Step 5: Solve for x
    x = 12,681,458,493.54/119,410.48
  6. Step 6: Final answer
    x = 106,200.55

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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.