Home / 188,503.21-282,372.90-87,157.23

Finding the Fourth Proportional to 188,503.21, 282,372.90 and 87,157.23

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Solution

The fourth proportional to 188,503.21, 282,372.90 and 87,157.23 is: 130,559.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,503.21 : 282,372.90 = 87,157.23 : x
  2. Step 2: Convert to fraction form
    188,503.21/282,372.90 = 87,157.23/x
  3. Step 3: Cross multiply
    188,503.21x = 282,372.90 × 87,157.23
  4. Step 4: Simplify right side
    188,503.21x = 24,610,839,791.07
  5. Step 5: Solve for x
    x = 24,610,839,791.07/188,503.21
  6. Step 6: Final answer
    x = 130,559.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.