Home / 140,362.94-193,705.64-76,704.84

Finding the Fourth Proportional to 140,362.94, 193,705.64 and 76,704.84

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Solution

The fourth proportional to 140,362.94, 193,705.64 and 76,704.84 is: 105,855.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,362.94 : 193,705.64 = 76,704.84 : x
  2. Step 2: Convert to fraction form
    140,362.94/193,705.64 = 76,704.84/x
  3. Step 3: Cross multiply
    140,362.94x = 193,705.64 × 76,704.84
  4. Step 4: Simplify right side
    140,362.94x = 14,858,160,123.30
  5. Step 5: Solve for x
    x = 14,858,160,123.30/140,362.94
  6. Step 6: Final answer
    x = 105,855.29

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1.5x scale

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.