Home / 221,785.55-306,063.75-126,292.24

Finding the Fourth Proportional to 221,785.55, 306,063.75 and 126,292.24

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Solution

The fourth proportional to 221,785.55, 306,063.75 and 126,292.24 is: 174,283.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,785.55 : 306,063.75 = 126,292.24 : x
  2. Step 2: Convert to fraction form
    221,785.55/306,063.75 = 126,292.24/x
  3. Step 3: Cross multiply
    221,785.55x = 306,063.75 × 126,292.24
  4. Step 4: Simplify right side
    221,785.55x = 38,653,475,173.68
  5. Step 5: Solve for x
    x = 38,653,475,173.68/221,785.55
  6. Step 6: Final answer
    x = 174,283.11

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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.