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Finding the Fourth Proportional to 191,954.25, 264,754.05 and 140,950.98

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Solution

The fourth proportional to 191,954.25, 264,754.05 and 140,950.98 is: 194,407.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,954.25 : 264,754.05 = 140,950.98 : x
  2. Step 2: Convert to fraction form
    191,954.25/264,754.05 = 140,950.98/x
  3. Step 3: Cross multiply
    191,954.25x = 264,754.05 × 140,950.98
  4. Step 4: Simplify right side
    191,954.25x = 37,317,342,806.47
  5. Step 5: Solve for x
    x = 37,317,342,806.47/191,954.25
  6. Step 6: Final answer
    x = 194,407.48

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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.