Home / 108,785.92-163,180.32-42,229.84

Finding the Fourth Proportional to 108,785.92, 163,180.32 and 42,229.84

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Solution

The fourth proportional to 108,785.92, 163,180.32 and 42,229.84 is: 63,345.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,785.92 : 163,180.32 = 42,229.84 : x
  2. Step 2: Convert to fraction form
    108,785.92/163,180.32 = 42,229.84/x
  3. Step 3: Cross multiply
    108,785.92x = 163,180.32 × 42,229.84
  4. Step 4: Simplify right side
    108,785.92x = 6,891,078,804.75
  5. Step 5: Solve for x
    x = 6,891,078,804.75/108,785.92
  6. Step 6: Final answer
    x = 63,345.32

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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.