Home / 204,515.34-282,225.63-113,871.36

Finding the Fourth Proportional to 204,515.34, 282,225.63 and 113,871.36

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Solution

The fourth proportional to 204,515.34, 282,225.63 and 113,871.36 is: 157,139.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,515.34 : 282,225.63 = 113,871.36 : x
  2. Step 2: Convert to fraction form
    204,515.34/282,225.63 = 113,871.36/x
  3. Step 3: Cross multiply
    204,515.34x = 282,225.63 × 113,871.36
  4. Step 4: Simplify right side
    204,515.34x = 32,137,416,314.96
  5. Step 5: Solve for x
    x = 32,137,416,314.96/204,515.34
  6. Step 6: Final answer
    x = 157,139.39

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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.