Home / 220,016.77-303,638.25-123,222.58

Finding the Fourth Proportional to 220,016.77, 303,638.25 and 123,222.58

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Solution

The fourth proportional to 220,016.77, 303,638.25 and 123,222.58 is: 170,055.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,016.77 : 303,638.25 = 123,222.58 : x
  2. Step 2: Convert to fraction form
    220,016.77/303,638.25 = 123,222.58/x
  3. Step 3: Cross multiply
    220,016.77x = 303,638.25 × 123,222.58
  4. Step 4: Simplify right side
    220,016.77x = 37,415,088,254.67
  5. Step 5: Solve for x
    x = 37,415,088,254.67/220,016.77
  6. Step 6: Final answer
    x = 170,055.62

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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.