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Finding the Fourth Proportional to 100,394.68, 150,779.22 and 88,391.07

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Solution

The fourth proportional to 100,394.68, 150,779.22 and 88,391.07 is: 132,751.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,394.68 : 150,779.22 = 88,391.07 : x
  2. Step 2: Convert to fraction form
    100,394.68/150,779.22 = 88,391.07/x
  3. Step 3: Cross multiply
    100,394.68x = 150,779.22 × 88,391.07
  4. Step 4: Simplify right side
    100,394.68x = 13,327,536,589.57
  5. Step 5: Solve for x
    x = 13,327,536,589.57/100,394.68
  6. Step 6: Final answer
    x = 132,751.42

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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.