Home / 108,764.22-163,154.11-45,520.71

Finding the Fourth Proportional to 108,764.22, 163,154.11 and 45,520.71

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Solution

The fourth proportional to 108,764.22, 163,154.11 and 45,520.71 is: 68,284.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,764.22 : 163,154.11 = 45,520.71 : x
  2. Step 2: Convert to fraction form
    108,764.22/163,154.11 = 45,520.71/x
  3. Step 3: Cross multiply
    108,764.22x = 163,154.11 × 45,520.71
  4. Step 4: Simplify right side
    108,764.22x = 7,426,890,926.62
  5. Step 5: Solve for x
    x = 7,426,890,926.62/108,764.22
  6. Step 6: Final answer
    x = 68,284.32

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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.