Home / 164,186.78-245,800.31-148,428.05

Finding the Fourth Proportional to 164,186.78, 245,800.31 and 148,428.05

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Solution

The fourth proportional to 164,186.78, 245,800.31 and 148,428.05 is: 222,208.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,186.78 : 245,800.31 = 148,428.05 : x
  2. Step 2: Convert to fraction form
    164,186.78/245,800.31 = 148,428.05/x
  3. Step 3: Cross multiply
    164,186.78x = 245,800.31 × 148,428.05
  4. Step 4: Simplify right side
    164,186.78x = 36,483,658,731.55
  5. Step 5: Solve for x
    x = 36,483,658,731.55/164,186.78
  6. Step 6: Final answer
    x = 222,208.27

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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.