Home / 261,682.12-361,120.30-146,944.81

Finding the Fourth Proportional to 261,682.12, 361,120.30 and 146,944.81

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Solution

The fourth proportional to 261,682.12, 361,120.30 and 146,944.81 is: 202,783.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,682.12 : 361,120.30 = 146,944.81 : x
  2. Step 2: Convert to fraction form
    261,682.12/361,120.30 = 146,944.81/x
  3. Step 3: Cross multiply
    261,682.12x = 361,120.30 × 146,944.81
  4. Step 4: Simplify right side
    261,682.12x = 53,064,753,870.64
  5. Step 5: Solve for x
    x = 53,064,753,870.64/261,682.12
  6. Step 6: Final answer
    x = 202,783.26

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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.