Home / 198,937.04-274,538.22-122,427.68

Finding the Fourth Proportional to 198,937.04, 274,538.22 and 122,427.68

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Solution

The fourth proportional to 198,937.04, 274,538.22 and 122,427.68 is: 168,953.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,937.04 : 274,538.22 = 122,427.68 : x
  2. Step 2: Convert to fraction form
    198,937.04/274,538.22 = 122,427.68/x
  3. Step 3: Cross multiply
    198,937.04x = 274,538.22 × 122,427.68
  4. Step 4: Simplify right side
    198,937.04x = 33,611,077,345.93
  5. Step 5: Solve for x
    x = 33,611,077,345.93/198,937.04
  6. Step 6: Final answer
    x = 168,953.34

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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.