Home / 263,146.16-394,659.70-120,854.64

Finding the Fourth Proportional to 263,146.16, 394,659.70 and 120,854.64

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Solution

The fourth proportional to 263,146.16, 394,659.70 and 120,854.64 is: 181,254.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,146.16 : 394,659.70 = 120,854.64 : x
  2. Step 2: Convert to fraction form
    263,146.16/394,659.70 = 120,854.64/x
  3. Step 3: Cross multiply
    263,146.16x = 394,659.70 × 120,854.64
  4. Step 4: Simplify right side
    263,146.16x = 47,696,455,966.01
  5. Step 5: Solve for x
    x = 47,696,455,966.01/263,146.16
  6. Step 6: Final answer
    x = 181,254.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.