Home / 108,216.20-162,324.30-70,891.40

Finding the Fourth Proportional to 108,216.20, 162,324.30 and 70,891.40

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Solution

The fourth proportional to 108,216.20, 162,324.30 and 70,891.40 is: 106,337.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,216.20 : 162,324.30 = 70,891.40 : x
  2. Step 2: Convert to fraction form
    108,216.20/162,324.30 = 70,891.40/x
  3. Step 3: Cross multiply
    108,216.20x = 162,324.30 × 70,891.40
  4. Step 4: Simplify right side
    108,216.20x = 11,507,396,881.02
  5. Step 5: Solve for x
    x = 11,507,396,881.02/108,216.20
  6. Step 6: Final answer
    x = 106,337.10

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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.