Home / 102,922.10-154,383.15-67,853.55

Finding the Fourth Proportional to 102,922.10, 154,383.15 and 67,853.55

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Solution

The fourth proportional to 102,922.10, 154,383.15 and 67,853.55 is: 101,780.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,922.10 : 154,383.15 = 67,853.55 : x
  2. Step 2: Convert to fraction form
    102,922.10/154,383.15 = 67,853.55/x
  3. Step 3: Cross multiply
    102,922.10x = 154,383.15 × 67,853.55
  4. Step 4: Simplify right side
    102,922.10x = 10,475,444,787.68
  5. Step 5: Solve for x
    x = 10,475,444,787.68/102,922.10
  6. Step 6: Final answer
    x = 101,780.33

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1.5x scale

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.