Home / 112,104.64-154,705.60-61,805.44

Finding the Fourth Proportional to 112,104.64, 154,705.60 and 61,805.44

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Solution

The fourth proportional to 112,104.64, 154,705.60 and 61,805.44 is: 85,292.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,104.64 : 154,705.60 = 61,805.44 : x
  2. Step 2: Convert to fraction form
    112,104.64/154,705.60 = 61,805.44/x
  3. Step 3: Cross multiply
    112,104.64x = 154,705.60 × 61,805.44
  4. Step 4: Simplify right side
    112,104.64x = 9,561,647,678.46
  5. Step 5: Solve for x
    x = 9,561,647,678.46/112,104.64
  6. Step 6: Final answer
    x = 85,292.17

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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.