Home / 163,581.82-245,372.35-51,270.60

Finding the Fourth Proportional to 163,581.82, 245,372.35 and 51,270.60

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Solution

The fourth proportional to 163,581.82, 245,372.35 and 51,270.60 is: 76,905.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,581.82 : 245,372.35 = 51,270.60 : x
  2. Step 2: Convert to fraction form
    163,581.82/245,372.35 = 51,270.60/x
  3. Step 3: Cross multiply
    163,581.82x = 245,372.35 × 51,270.60
  4. Step 4: Simplify right side
    163,581.82x = 12,580,387,607.91
  5. Step 5: Solve for x
    x = 12,580,387,607.91/163,581.82
  6. Step 6: Final answer
    x = 76,905.78

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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.