Home / 165,855.78-228,700.10-112,047.37

Finding the Fourth Proportional to 165,855.78, 228,700.10 and 112,047.37

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Solution

The fourth proportional to 165,855.78, 228,700.10 and 112,047.37 is: 154,503.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,855.78 : 228,700.10 = 112,047.37 : x
  2. Step 2: Convert to fraction form
    165,855.78/228,700.10 = 112,047.37/x
  3. Step 3: Cross multiply
    165,855.78x = 228,700.10 × 112,047.37
  4. Step 4: Simplify right side
    165,855.78x = 25,625,244,432.11
  5. Step 5: Solve for x
    x = 25,625,244,432.11/165,855.78
  6. Step 6: Final answer
    x = 154,503.17

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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.