Home / 148,511.40-204,926.85-84,853.32

Finding the Fourth Proportional to 148,511.40, 204,926.85 and 84,853.32

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Solution

The fourth proportional to 148,511.40, 204,926.85 and 84,853.32 is: 117,086.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,511.40 : 204,926.85 = 84,853.32 : x
  2. Step 2: Convert to fraction form
    148,511.40/204,926.85 = 84,853.32/x
  3. Step 3: Cross multiply
    148,511.40x = 204,926.85 × 84,853.32
  4. Step 4: Simplify right side
    148,511.40x = 17,388,723,579.64
  5. Step 5: Solve for x
    x = 17,388,723,579.64/148,511.40
  6. Step 6: Final answer
    x = 117,086.79

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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.