Home / 117,942.66-162,876.54-100,848.22

Finding the Fourth Proportional to 117,942.66, 162,876.54 and 100,848.22

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Solution

The fourth proportional to 117,942.66, 162,876.54 and 100,848.22 is: 139,269.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,942.66 : 162,876.54 = 100,848.22 : x
  2. Step 2: Convert to fraction form
    117,942.66/162,876.54 = 100,848.22/x
  3. Step 3: Cross multiply
    117,942.66x = 162,876.54 × 100,848.22
  4. Step 4: Simplify right side
    117,942.66x = 16,425,809,138.76
  5. Step 5: Solve for x
    x = 16,425,809,138.76/117,942.66
  6. Step 6: Final answer
    x = 139,269.45

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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.