Home / 108,171.15-162,256.84-28,209.06

Finding the Fourth Proportional to 108,171.15, 162,256.84 and 28,209.06

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Solution

The fourth proportional to 108,171.15, 162,256.84 and 28,209.06 is: 42,313.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,171.15 : 162,256.84 = 28,209.06 : x
  2. Step 2: Convert to fraction form
    108,171.15/162,256.84 = 28,209.06/x
  3. Step 3: Cross multiply
    108,171.15x = 162,256.84 × 28,209.06
  4. Step 4: Simplify right side
    108,171.15x = 4,577,112,864.45
  5. Step 5: Solve for x
    x = 4,577,112,864.45/108,171.15
  6. Step 6: Final answer
    x = 42,313.62

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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.