Home / 211,992.48-292,535.85-121,349.16

Finding the Fourth Proportional to 211,992.48, 292,535.85 and 121,349.16

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Solution

The fourth proportional to 211,992.48, 292,535.85 and 121,349.16 is: 167,453.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,992.48 : 292,535.85 = 121,349.16 : x
  2. Step 2: Convert to fraction form
    211,992.48/292,535.85 = 121,349.16/x
  3. Step 3: Cross multiply
    211,992.48x = 292,535.85 × 121,349.16
  4. Step 4: Simplify right side
    211,992.48x = 35,498,979,667.39
  5. Step 5: Solve for x
    x = 35,498,979,667.39/211,992.48
  6. Step 6: Final answer
    x = 167,453.96

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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.