Home / 123,636.11-185,477.22-56,172.87

Finding the Fourth Proportional to 123,636.11, 185,477.22 and 56,172.87

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Solution

The fourth proportional to 123,636.11, 185,477.22 and 56,172.87 is: 84,269.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,636.11 : 185,477.22 = 56,172.87 : x
  2. Step 2: Convert to fraction form
    123,636.11/185,477.22 = 56,172.87/x
  3. Step 3: Cross multiply
    123,636.11x = 185,477.22 × 56,172.87
  4. Step 4: Simplify right side
    123,636.11x = 10,418,787,767.02
  5. Step 5: Solve for x
    x = 10,418,787,767.02/123,636.11
  6. Step 6: Final answer
    x = 84,269.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.