Home / 140,299.58-193,565.34-79,855.04

Finding the Fourth Proportional to 140,299.58, 193,565.34 and 79,855.04

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Solution

The fourth proportional to 140,299.58, 193,565.34 and 79,855.04 is: 110,172.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,299.58 : 193,565.34 = 79,855.04 : x
  2. Step 2: Convert to fraction form
    140,299.58/193,565.34 = 79,855.04/x
  3. Step 3: Cross multiply
    140,299.58x = 193,565.34 × 79,855.04
  4. Step 4: Simplify right side
    140,299.58x = 15,457,167,968.31
  5. Step 5: Solve for x
    x = 15,457,167,968.31/140,299.58
  6. Step 6: Final answer
    x = 110,172.59

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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.