Home / 281,925.10-422,906.85-89,784.30

Finding the Fourth Proportional to 281,925.10, 422,906.85 and 89,784.30

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Solution

The fourth proportional to 281,925.10, 422,906.85 and 89,784.30 is: 134,682.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,925.10 : 422,906.85 = 89,784.30 : x
  2. Step 2: Convert to fraction form
    281,925.10/422,906.85 = 89,784.30/x
  3. Step 3: Cross multiply
    281,925.10x = 422,906.85 × 89,784.30
  4. Step 4: Simplify right side
    281,925.10x = 37,970,395,492.46
  5. Step 5: Solve for x
    x = 37,970,395,492.46/281,925.10
  6. Step 6: Final answer
    x = 134,682.56

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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.