Home / 254,502.13-381,171.62-121,475.77

Finding the Fourth Proportional to 254,502.13, 381,171.62 and 121,475.77

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Solution

The fourth proportional to 254,502.13, 381,171.62 and 121,475.77 is: 181,936.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,502.13 : 381,171.62 = 121,475.77 : x
  2. Step 2: Convert to fraction form
    254,502.13/381,171.62 = 121,475.77/x
  3. Step 3: Cross multiply
    254,502.13x = 381,171.62 × 121,475.77
  4. Step 4: Simplify right side
    254,502.13x = 46,303,115,434.27
  5. Step 5: Solve for x
    x = 46,303,115,434.27/254,502.13
  6. Step 6: Final answer
    x = 181,936.06

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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.