Home / 109,126.56-163,682.46-42,554.28

Finding the Fourth Proportional to 109,126.56, 163,682.46 and 42,554.28

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Solution

The fourth proportional to 109,126.56, 163,682.46 and 42,554.28 is: 63,828.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,126.56 : 163,682.46 = 42,554.28 : x
  2. Step 2: Convert to fraction form
    109,126.56/163,682.46 = 42,554.28/x
  3. Step 3: Cross multiply
    109,126.56x = 163,682.46 × 42,554.28
  4. Step 4: Simplify right side
    109,126.56x = 6,965,389,233.93
  5. Step 5: Solve for x
    x = 6,965,389,233.93/109,126.56
  6. Step 6: Final answer
    x = 63,828.54

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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.