Home / 109,631.49-164,348.79-43,119.35

Finding the Fourth Proportional to 109,631.49, 164,348.79 and 43,119.35

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Solution

The fourth proportional to 109,631.49, 164,348.79 and 43,119.35 is: 64,640.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,631.49 : 164,348.79 = 43,119.35 : x
  2. Step 2: Convert to fraction form
    109,631.49/164,348.79 = 43,119.35/x
  3. Step 3: Cross multiply
    109,631.49x = 164,348.79 × 43,119.35
  4. Step 4: Simplify right side
    109,631.49x = 7,086,612,176.34
  5. Step 5: Solve for x
    x = 7,086,612,176.34/109,631.49
  6. Step 6: Final answer
    x = 64,640.30

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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.