Home / 220,277.85-303,995.45-124,803.15

Finding the Fourth Proportional to 220,277.85, 303,995.45 and 124,803.15

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Solution

The fourth proportional to 220,277.85, 303,995.45 and 124,803.15 is: 172,235.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,277.85 : 303,995.45 = 124,803.15 : x
  2. Step 2: Convert to fraction form
    220,277.85/303,995.45 = 124,803.15/x
  3. Step 3: Cross multiply
    220,277.85x = 303,995.45 × 124,803.15
  4. Step 4: Simplify right side
    220,277.85x = 37,939,588,361.66
  5. Step 5: Solve for x
    x = 37,939,588,361.66/220,277.85
  6. Step 6: Final answer
    x = 172,235.15

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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.