Home / 108,244.20-162,366.30-70,919.40

Finding the Fourth Proportional to 108,244.20, 162,366.30 and 70,919.40

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Solution

The fourth proportional to 108,244.20, 162,366.30 and 70,919.40 is: 106,379.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,244.20 : 162,366.30 = 70,919.40 : x
  2. Step 2: Convert to fraction form
    108,244.20/162,366.30 = 70,919.40/x
  3. Step 3: Cross multiply
    108,244.20x = 162,366.30 × 70,919.40
  4. Step 4: Simplify right side
    108,244.20x = 11,514,920,576.22
  5. Step 5: Solve for x
    x = 11,514,920,576.22/108,244.20
  6. Step 6: Final answer
    x = 106,379.10

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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.