Home / 220,261.38-303,950.94-124,766.16

Finding the Fourth Proportional to 220,261.38, 303,950.94 and 124,766.16

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Solution

The fourth proportional to 220,261.38, 303,950.94 and 124,766.16 is: 172,171.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,261.38 : 303,950.94 = 124,766.16 : x
  2. Step 2: Convert to fraction form
    220,261.38/303,950.94 = 124,766.16/x
  3. Step 3: Cross multiply
    220,261.38x = 303,950.94 × 124,766.16
  4. Step 4: Simplify right side
    220,261.38x = 37,922,791,612.19
  5. Step 5: Solve for x
    x = 37,922,791,612.19/220,261.38
  6. Step 6: Final answer
    x = 172,171.77

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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.