Home / 109,090.50-163,635.96-30,204.96

Finding the Fourth Proportional to 109,090.50, 163,635.96 and 30,204.96

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Solution

The fourth proportional to 109,090.50, 163,635.96 and 30,204.96 is: 45,307.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,090.50 : 163,635.96 = 30,204.96 : x
  2. Step 2: Convert to fraction form
    109,090.50/163,635.96 = 30,204.96/x
  3. Step 3: Cross multiply
    109,090.50x = 163,635.96 × 30,204.96
  4. Step 4: Simplify right side
    109,090.50x = 4,942,617,626.36
  5. Step 5: Solve for x
    x = 4,942,617,626.36/109,090.50
  6. Step 6: Final answer
    x = 45,307.50

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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.