Home / 163,355.74-225,414.12-91,735.18

Finding the Fourth Proportional to 163,355.74, 225,414.12 and 91,735.18

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Solution

The fourth proportional to 163,355.74, 225,414.12 and 91,735.18 is: 126,585.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,355.74 : 225,414.12 = 91,735.18 : x
  2. Step 2: Convert to fraction form
    163,355.74/225,414.12 = 91,735.18/x
  3. Step 3: Cross multiply
    163,355.74x = 225,414.12 × 91,735.18
  4. Step 4: Simplify right side
    163,355.74x = 20,678,404,872.74
  5. Step 5: Solve for x
    x = 20,678,404,872.74/163,355.74
  6. Step 6: Final answer
    x = 126,585.11

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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.