Home / 211,922.06-292,468.86-121,306.48

Finding the Fourth Proportional to 211,922.06, 292,468.86 and 121,306.48

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Solution

The fourth proportional to 211,922.06, 292,468.86 and 121,306.48 is: 167,412.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,922.06 : 292,468.86 = 121,306.48 : x
  2. Step 2: Convert to fraction form
    211,922.06/292,468.86 = 121,306.48/x
  3. Step 3: Cross multiply
    211,922.06x = 292,468.86 × 121,306.48
  4. Step 4: Simplify right side
    211,922.06x = 35,478,367,185.04
  5. Step 5: Solve for x
    x = 35,478,367,185.04/211,922.06
  6. Step 6: Final answer
    x = 167,412.34

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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.