Home / 108,308.40-162,025.20-93,679.80

Finding the Fourth Proportional to 108,308.40, 162,025.20 and 93,679.80

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Solution

The fourth proportional to 108,308.40, 162,025.20 and 93,679.80 is: 140,141.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,308.40 : 162,025.20 = 93,679.80 : x
  2. Step 2: Convert to fraction form
    108,308.40/162,025.20 = 93,679.80/x
  3. Step 3: Cross multiply
    108,308.40x = 162,025.20 × 93,679.80
  4. Step 4: Simplify right side
    108,308.40x = 15,178,488,330.96
  5. Step 5: Solve for x
    x = 15,178,488,330.96/108,308.40
  6. Step 6: Final answer
    x = 140,141.38

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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.