Home / 220,277.60-303,995.10-124,802.90

Finding the Fourth Proportional to 220,277.60, 303,995.10 and 124,802.90

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Solution

The fourth proportional to 220,277.60, 303,995.10 and 124,802.90 is: 172,234.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,277.60 : 303,995.10 = 124,802.90 : x
  2. Step 2: Convert to fraction form
    220,277.60/303,995.10 = 124,802.90/x
  3. Step 3: Cross multiply
    220,277.60x = 303,995.10 × 124,802.90
  4. Step 4: Simplify right side
    220,277.60x = 37,939,469,305.80
  5. Step 5: Solve for x
    x = 37,939,469,305.80/220,277.60
  6. Step 6: Final answer
    x = 172,234.81

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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.