Home / 223,186.24-308,001.06-121,211.68

Finding the Fourth Proportional to 223,186.24, 308,001.06 and 121,211.68

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Solution

The fourth proportional to 223,186.24, 308,001.06 and 121,211.68 is: 167,274.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,186.24 : 308,001.06 = 121,211.68 : x
  2. Step 2: Convert to fraction form
    223,186.24/308,001.06 = 121,211.68/x
  3. Step 3: Cross multiply
    223,186.24x = 308,001.06 × 121,211.68
  4. Step 4: Simplify right side
    223,186.24x = 37,333,325,924.38
  5. Step 5: Solve for x
    x = 37,333,325,924.38/223,186.24
  6. Step 6: Final answer
    x = 167,274.32

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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.