Home / 108,789.92-163,186.32-42,233.84

Finding the Fourth Proportional to 108,789.92, 163,186.32 and 42,233.84

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Solution

The fourth proportional to 108,789.92, 163,186.32 and 42,233.84 is: 63,351.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,789.92 : 163,186.32 = 42,233.84 : x
  2. Step 2: Convert to fraction form
    108,789.92/163,186.32 = 42,233.84/x
  3. Step 3: Cross multiply
    108,789.92x = 163,186.32 × 42,233.84
  4. Step 4: Simplify right side
    108,789.92x = 6,891,984,929.07
  5. Step 5: Solve for x
    x = 6,891,984,929.07/108,789.92
  6. Step 6: Final answer
    x = 63,351.32

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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.