Home / 108,528.10-162,792.15-71,203.30

Finding the Fourth Proportional to 108,528.10, 162,792.15 and 71,203.30

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Solution

The fourth proportional to 108,528.10, 162,792.15 and 71,203.30 is: 106,804.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,528.10 : 162,792.15 = 71,203.30 : x
  2. Step 2: Convert to fraction form
    108,528.10/162,792.15 = 71,203.30/x
  3. Step 3: Cross multiply
    108,528.10x = 162,792.15 × 71,203.30
  4. Step 4: Simplify right side
    108,528.10x = 11,591,338,294.10
  5. Step 5: Solve for x
    x = 11,591,338,294.10/108,528.10
  6. Step 6: Final answer
    x = 106,804.95

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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.