Home / 108,417.77-162,539-45,286.25

Finding the Fourth Proportional to 108,417.77, 162,539 and 45,286.25

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Solution

The fourth proportional to 108,417.77, 162,539 and 45,286.25 is: 67,892.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,417.77 : 162,539 = 45,286.25 : x
  2. Step 2: Convert to fraction form
    108,417.77/162,539 = 45,286.25/x
  3. Step 3: Cross multiply
    108,417.77x = 162,539 × 45,286.25
  4. Step 4: Simplify right side
    108,417.77x = 7,360,781,788.75
  5. Step 5: Solve for x
    x = 7,360,781,788.75/108,417.77
  6. Step 6: Final answer
    x = 67,892.76

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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.