Home / 220,018.30-303,600.06-123,208.66

Finding the Fourth Proportional to 220,018.30, 303,600.06 and 123,208.66

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Solution

The fourth proportional to 220,018.30, 303,600.06 and 123,208.66 is: 170,013.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,018.30 : 303,600.06 = 123,208.66 : x
  2. Step 2: Convert to fraction form
    220,018.30/303,600.06 = 123,208.66/x
  3. Step 3: Cross multiply
    220,018.30x = 303,600.06 × 123,208.66
  4. Step 4: Simplify right side
    220,018.30x = 37,406,156,568.52
  5. Step 5: Solve for x
    x = 37,406,156,568.52/220,018.30
  6. Step 6: Final answer
    x = 170,013.84

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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.