Home / 236,965.10-355,464.05-79,173.05

Finding the Fourth Proportional to 236,965.10, 355,464.05 and 79,173.05

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Solution

The fourth proportional to 236,965.10, 355,464.05 and 79,173.05 is: 118,765.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,965.10 : 355,464.05 = 79,173.05 : x
  2. Step 2: Convert to fraction form
    236,965.10/355,464.05 = 79,173.05/x
  3. Step 3: Cross multiply
    236,965.10x = 355,464.05 × 79,173.05
  4. Step 4: Simplify right side
    236,965.10x = 28,143,170,830.67
  5. Step 5: Solve for x
    x = 28,143,170,830.67/236,965.10
  6. Step 6: Final answer
    x = 118,765.05

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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.