Home / 223,258.48-308,095.45-121,283.06

Finding the Fourth Proportional to 223,258.48, 308,095.45 and 121,283.06

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Solution

The fourth proportional to 223,258.48, 308,095.45 and 121,283.06 is: 167,369.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,258.48 : 308,095.45 = 121,283.06 : x
  2. Step 2: Convert to fraction form
    223,258.48/308,095.45 = 121,283.06/x
  3. Step 3: Cross multiply
    223,258.48x = 308,095.45 × 121,283.06
  4. Step 4: Simplify right side
    223,258.48x = 37,366,757,104.39
  5. Step 5: Solve for x
    x = 37,366,757,104.39/223,258.48
  6. Step 6: Final answer
    x = 167,369.94

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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.