Home / 109,219.80-163,829.76-30,334.02

Finding the Fourth Proportional to 109,219.80, 163,829.76 and 30,334.02

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Solution

The fourth proportional to 109,219.80, 163,829.76 and 30,334.02 is: 45,501.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,219.80 : 163,829.76 = 30,334.02 : x
  2. Step 2: Convert to fraction form
    109,219.80/163,829.76 = 30,334.02/x
  3. Step 3: Cross multiply
    109,219.80x = 163,829.76 × 30,334.02
  4. Step 4: Simplify right side
    109,219.80x = 4,969,615,216.44
  5. Step 5: Solve for x
    x = 4,969,615,216.44/109,219.80
  6. Step 6: Final answer
    x = 45,501.05

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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.