Home / 163,285.94-225,334.58-91,665.90

Finding the Fourth Proportional to 163,285.94, 225,334.58 and 91,665.90

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Solution

The fourth proportional to 163,285.94, 225,334.58 and 91,665.90 is: 126,498.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,285.94 : 225,334.58 = 91,665.90 : x
  2. Step 2: Convert to fraction form
    163,285.94/225,334.58 = 91,665.90/x
  3. Step 3: Cross multiply
    163,285.94x = 225,334.58 × 91,665.90
  4. Step 4: Simplify right side
    163,285.94x = 20,655,498,025.68
  5. Step 5: Solve for x
    x = 20,655,498,025.68/163,285.94
  6. Step 6: Final answer
    x = 126,498.94

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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.