Home / 221,846.29-306,141.04-126,366.61

Finding the Fourth Proportional to 221,846.29, 306,141.04 and 126,366.61

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Solution

The fourth proportional to 221,846.29, 306,141.04 and 126,366.61 is: 174,382.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,846.29 : 306,141.04 = 126,366.61 : x
  2. Step 2: Convert to fraction form
    221,846.29/306,141.04 = 126,366.61/x
  3. Step 3: Cross multiply
    221,846.29x = 306,141.04 × 126,366.61
  4. Step 4: Simplify right side
    221,846.29x = 38,686,005,406.67
  5. Step 5: Solve for x
    x = 38,686,005,406.67/221,846.29
  6. Step 6: Final answer
    x = 174,382.03

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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.