Home / 102,822.94-154,177.10-31,725.39

Finding the Fourth Proportional to 102,822.94, 154,177.10 and 31,725.39

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Solution

The fourth proportional to 102,822.94, 154,177.10 and 31,725.39 is: 47,570.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,822.94 : 154,177.10 = 31,725.39 : x
  2. Step 2: Convert to fraction form
    102,822.94/154,177.10 = 31,725.39/x
  3. Step 3: Cross multiply
    102,822.94x = 154,177.10 × 31,725.39
  4. Step 4: Simplify right side
    102,822.94x = 4,891,329,284.05
  5. Step 5: Solve for x
    x = 4,891,329,284.05/102,822.94
  6. Step 6: Final answer
    x = 47,570.41

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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.