Home / 220,208.95-303,909.66-123,429.25

Finding the Fourth Proportional to 220,208.95, 303,909.66 and 123,429.25

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Solution

The fourth proportional to 220,208.95, 303,909.66 and 123,429.25 is: 170,344.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,208.95 : 303,909.66 = 123,429.25 : x
  2. Step 2: Convert to fraction form
    220,208.95/303,909.66 = 123,429.25/x
  3. Step 3: Cross multiply
    220,208.95x = 303,909.66 × 123,429.25
  4. Step 4: Simplify right side
    220,208.95x = 37,511,341,401.56
  5. Step 5: Solve for x
    x = 37,511,341,401.56/220,208.95
  6. Step 6: Final answer
    x = 170,344.31

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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.