Home / 163,380.36-225,460.62-91,756.92

Finding the Fourth Proportional to 163,380.36, 225,460.62 and 91,756.92

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Solution

The fourth proportional to 163,380.36, 225,460.62 and 91,756.92 is: 126,622.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,380.36 : 225,460.62 = 91,756.92 : x
  2. Step 2: Convert to fraction form
    163,380.36/225,460.62 = 91,756.92/x
  3. Step 3: Cross multiply
    163,380.36x = 225,460.62 × 91,756.92
  4. Step 4: Simplify right side
    163,380.36x = 20,687,572,072.49
  5. Step 5: Solve for x
    x = 20,687,572,072.49/163,380.36
  6. Step 6: Final answer
    x = 126,622.15

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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.