Home / 108,964.07-163,455.49-30,078.30

Finding the Fourth Proportional to 108,964.07, 163,455.49 and 30,078.30

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Solution

The fourth proportional to 108,964.07, 163,455.49 and 30,078.30 is: 45,120.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,964.07 : 163,455.49 = 30,078.30 : x
  2. Step 2: Convert to fraction form
    108,964.07/163,455.49 = 30,078.30/x
  3. Step 3: Cross multiply
    108,964.07x = 163,455.49 × 30,078.30
  4. Step 4: Simplify right side
    108,964.07x = 4,916,463,264.87
  5. Step 5: Solve for x
    x = 4,916,463,264.87/108,964.07
  6. Step 6: Final answer
    x = 45,120.04

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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.