Home / 122,284.36-183,443.64-115,561.36

Finding the Fourth Proportional to 122,284.36, 183,443.64 and 115,561.36

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Solution

The fourth proportional to 122,284.36, 183,443.64 and 115,561.36 is: 173,358.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,284.36 : 183,443.64 = 115,561.36 : x
  2. Step 2: Convert to fraction form
    122,284.36/183,443.64 = 115,561.36/x
  3. Step 3: Cross multiply
    122,284.36x = 183,443.64 × 115,561.36
  4. Step 4: Simplify right side
    122,284.36x = 21,198,996,521.75
  5. Step 5: Solve for x
    x = 21,198,996,521.75/122,284.36
  6. Step 6: Final answer
    x = 173,358.20

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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.