Home / 203,681.75-281,314.10-134,141.91

Finding the Fourth Proportional to 203,681.75, 281,314.10 and 134,141.91

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Solution

The fourth proportional to 203,681.75, 281,314.10 and 134,141.91 is: 185,269.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,681.75 : 281,314.10 = 134,141.91 : x
  2. Step 2: Convert to fraction form
    203,681.75/281,314.10 = 134,141.91/x
  3. Step 3: Cross multiply
    203,681.75x = 281,314.10 × 134,141.91
  4. Step 4: Simplify right side
    203,681.75x = 37,736,010,792.20
  5. Step 5: Solve for x
    x = 37,736,010,792.20/203,681.75
  6. Step 6: Final answer
    x = 185,269.48

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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.