Home / 108,210.21-162,324.57-28,258.83

Finding the Fourth Proportional to 108,210.21, 162,324.57 and 28,258.83

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Solution

The fourth proportional to 108,210.21, 162,324.57 and 28,258.83 is: 42,390.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,210.21 : 162,324.57 = 28,258.83 : x
  2. Step 2: Convert to fraction form
    108,210.21/162,324.57 = 28,258.83/x
  3. Step 3: Cross multiply
    108,210.21x = 162,324.57 × 28,258.83
  4. Step 4: Simplify right side
    108,210.21x = 4,587,102,428.45
  5. Step 5: Solve for x
    x = 4,587,102,428.45/108,210.21
  6. Step 6: Final answer
    x = 42,390.66

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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.