Home / 109,682.10-164,523.15-72,284.40

Finding the Fourth Proportional to 109,682.10, 164,523.15 and 72,284.40

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Solution

The fourth proportional to 109,682.10, 164,523.15 and 72,284.40 is: 108,426.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,682.10 : 164,523.15 = 72,284.40 : x
  2. Step 2: Convert to fraction form
    109,682.10/164,523.15 = 72,284.40/x
  3. Step 3: Cross multiply
    109,682.10x = 164,523.15 × 72,284.40
  4. Step 4: Simplify right side
    109,682.10x = 11,892,457,183.86
  5. Step 5: Solve for x
    x = 11,892,457,183.86/109,682.10
  6. Step 6: Final answer
    x = 108,426.60

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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.