Home / 198,369.21-273,746.67-112,325.94

Finding the Fourth Proportional to 198,369.21, 273,746.67 and 112,325.94

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Solution

The fourth proportional to 198,369.21, 273,746.67 and 112,325.94 is: 155,008.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,369.21 : 273,746.67 = 112,325.94 : x
  2. Step 2: Convert to fraction form
    198,369.21/273,746.67 = 112,325.94/x
  3. Step 3: Cross multiply
    198,369.21x = 273,746.67 × 112,325.94
  4. Step 4: Simplify right side
    198,369.21x = 30,748,852,029.62
  5. Step 5: Solve for x
    x = 30,748,852,029.62/198,369.21
  6. Step 6: Final answer
    x = 155,008.19

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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.