Home / 221,834.10-306,185.46-126,397.05

Finding the Fourth Proportional to 221,834.10, 306,185.46 and 126,397.05

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Solution

The fourth proportional to 221,834.10, 306,185.46 and 126,397.05 is: 174,458.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,834.10 : 306,185.46 = 126,397.05 : x
  2. Step 2: Convert to fraction form
    221,834.10/306,185.46 = 126,397.05/x
  3. Step 3: Cross multiply
    221,834.10x = 306,185.46 × 126,397.05
  4. Step 4: Simplify right side
    221,834.10x = 38,700,938,896.89
  5. Step 5: Solve for x
    x = 38,700,938,896.89/221,834.10
  6. Step 6: Final answer
    x = 174,458.93

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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.