Home / 163,451.46-225,568.82-91,830.04

Finding the Fourth Proportional to 163,451.46, 225,568.82 and 91,830.04

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Solution

The fourth proportional to 163,451.46, 225,568.82 and 91,830.04 is: 126,728.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,451.46 : 225,568.82 = 91,830.04 : x
  2. Step 2: Convert to fraction form
    163,451.46/225,568.82 = 91,830.04/x
  3. Step 3: Cross multiply
    163,451.46x = 225,568.82 × 91,830.04
  4. Step 4: Simplify right side
    163,451.46x = 20,713,993,763.35
  5. Step 5: Solve for x
    x = 20,713,993,763.35/163,451.46
  6. Step 6: Final answer
    x = 126,728.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.