Home / 109,059.12-163,558.44-30,167.28

Finding the Fourth Proportional to 109,059.12, 163,558.44 and 30,167.28

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Solution

The fourth proportional to 109,059.12, 163,558.44 and 30,167.28 is: 45,242.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,059.12 : 163,558.44 = 30,167.28 : x
  2. Step 2: Convert to fraction form
    109,059.12/163,558.44 = 30,167.28/x
  3. Step 3: Cross multiply
    109,059.12x = 163,558.44 × 30,167.28
  4. Step 4: Simplify right side
    109,059.12x = 4,934,113,255.84
  5. Step 5: Solve for x
    x = 4,934,113,255.84/109,059.12
  6. Step 6: Final answer
    x = 45,242.56

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1.5x scale

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.