Home / 108,022.90-162,207.15-73,117.30

Finding the Fourth Proportional to 108,022.90, 162,207.15 and 73,117.30

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Solution

The fourth proportional to 108,022.90, 162,207.15 and 73,117.30 is: 109,792.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,022.90 : 162,207.15 = 73,117.30 : x
  2. Step 2: Convert to fraction form
    108,022.90/162,207.15 = 73,117.30/x
  3. Step 3: Cross multiply
    108,022.90x = 162,207.15 × 73,117.30
  4. Step 4: Simplify right side
    108,022.90x = 11,860,148,848.70
  5. Step 5: Solve for x
    x = 11,860,148,848.70/108,022.90
  6. Step 6: Final answer
    x = 109,792.91

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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.