Home / 221,846.04-306,140.70-126,366.36

Finding the Fourth Proportional to 221,846.04, 306,140.70 and 126,366.36

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Solution

The fourth proportional to 221,846.04, 306,140.70 and 126,366.36 is: 174,381.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,846.04 : 306,140.70 = 126,366.36 : x
  2. Step 2: Convert to fraction form
    221,846.04/306,140.70 = 126,366.36/x
  3. Step 3: Cross multiply
    221,846.04x = 306,140.70 × 126,366.36
  4. Step 4: Simplify right side
    221,846.04x = 38,685,885,906.85
  5. Step 5: Solve for x
    x = 38,685,885,906.85/221,846.04
  6. Step 6: Final answer
    x = 174,381.68

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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.