Home / 148,209.64-204,647.24-136,875

Finding the Fourth Proportional to 148,209.64, 204,647.24 and 136,875

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Solution

The fourth proportional to 148,209.64, 204,647.24 and 136,875 is: 188,996.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,209.64 : 204,647.24 = 136,875 : x
  2. Step 2: Convert to fraction form
    148,209.64/204,647.24 = 136,875/x
  3. Step 3: Cross multiply
    148,209.64x = 204,647.24 × 136,875
  4. Step 4: Simplify right side
    148,209.64x = 28,011,090,975
  5. Step 5: Solve for x
    x = 28,011,090,975/148,209.64
  6. Step 6: Final answer
    x = 188,996.42

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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.