Home / 211,403.94-291,664.71-125,345.22

Finding the Fourth Proportional to 211,403.94, 291,664.71 and 125,345.22

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Solution

The fourth proportional to 211,403.94, 291,664.71 and 125,345.22 is: 172,933.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,403.94 : 291,664.71 = 125,345.22 : x
  2. Step 2: Convert to fraction form
    211,403.94/291,664.71 = 125,345.22/x
  3. Step 3: Cross multiply
    211,403.94x = 291,664.71 × 125,345.22
  4. Step 4: Simplify right side
    211,403.94x = 36,558,777,241.19
  5. Step 5: Solve for x
    x = 36,558,777,241.19/211,403.94
  6. Step 6: Final answer
    x = 172,933.28

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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.