Home / 148,519.40-204,967.64-84,855.84

Finding the Fourth Proportional to 148,519.40, 204,967.64 and 84,855.84

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Solution

The fourth proportional to 148,519.40, 204,967.64 and 84,855.84 is: 117,107.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,519.40 : 204,967.64 = 84,855.84 : x
  2. Step 2: Convert to fraction form
    148,519.40/204,967.64 = 84,855.84/x
  3. Step 3: Cross multiply
    148,519.40x = 204,967.64 × 84,855.84
  4. Step 4: Simplify right side
    148,519.40x = 17,392,701,265.02
  5. Step 5: Solve for x
    x = 17,392,701,265.02/148,519.40
  6. Step 6: Final answer
    x = 117,107.27

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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.