Home / 219,815.16-303,361.26-124,331.64

Finding the Fourth Proportional to 219,815.16, 303,361.26 and 124,331.64

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Solution

The fourth proportional to 219,815.16, 303,361.26 and 124,331.64 is: 171,586.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,815.16 : 303,361.26 = 124,331.64 : x
  2. Step 2: Convert to fraction form
    219,815.16/303,361.26 = 124,331.64/x
  3. Step 3: Cross multiply
    219,815.16x = 303,361.26 × 124,331.64
  4. Step 4: Simplify right side
    219,815.16x = 37,717,402,968.27
  5. Step 5: Solve for x
    x = 37,717,402,968.27/219,815.16
  6. Step 6: Final answer
    x = 171,586.90

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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.