Home / 204,038.28-281,566.09-112,157.87

Finding the Fourth Proportional to 204,038.28, 281,566.09 and 112,157.87

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Solution

The fourth proportional to 204,038.28, 281,566.09 and 112,157.87 is: 154,774.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,038.28 : 281,566.09 = 112,157.87 : x
  2. Step 2: Convert to fraction form
    204,038.28/281,566.09 = 112,157.87/x
  3. Step 3: Cross multiply
    204,038.28x = 281,566.09 × 112,157.87
  4. Step 4: Simplify right side
    204,038.28x = 31,579,853,342.15
  5. Step 5: Solve for x
    x = 31,579,853,342.15/204,038.28
  6. Step 6: Final answer
    x = 154,774.16

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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.