Home / 108,325.20-162,488.28-71,120.68

Finding the Fourth Proportional to 108,325.20, 162,488.28 and 71,120.68

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Solution

The fourth proportional to 108,325.20, 162,488.28 and 71,120.68 is: 106,681.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,325.20 : 162,488.28 = 71,120.68 : x
  2. Step 2: Convert to fraction form
    108,325.20/162,488.28 = 71,120.68/x
  3. Step 3: Cross multiply
    108,325.20x = 162,488.28 × 71,120.68
  4. Step 4: Simplify right side
    108,325.20x = 11,556,277,340.06
  5. Step 5: Solve for x
    x = 11,556,277,340.06/108,325.20
  6. Step 6: Final answer
    x = 106,681.34

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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.