Home / 109,242.06-163,871.91-30,356.28

Finding the Fourth Proportional to 109,242.06, 163,871.91 and 30,356.28

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Solution

The fourth proportional to 109,242.06, 163,871.91 and 30,356.28 is: 45,536.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,242.06 : 163,871.91 = 30,356.28 : x
  2. Step 2: Convert to fraction form
    109,242.06/163,871.91 = 30,356.28/x
  3. Step 3: Cross multiply
    109,242.06x = 163,871.91 × 30,356.28
  4. Step 4: Simplify right side
    109,242.06x = 4,974,541,584.09
  5. Step 5: Solve for x
    x = 4,974,541,584.09/109,242.06
  6. Step 6: Final answer
    x = 45,536.87

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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.