Home / 223,259.48-308,096.83-121,284.06

Finding the Fourth Proportional to 223,259.48, 308,096.83 and 121,284.06

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Solution

The fourth proportional to 223,259.48, 308,096.83 and 121,284.06 is: 167,371.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,259.48 : 308,096.83 = 121,284.06 : x
  2. Step 2: Convert to fraction form
    223,259.48/308,096.83 = 121,284.06/x
  3. Step 3: Cross multiply
    223,259.48x = 308,096.83 × 121,284.06
  4. Step 4: Simplify right side
    223,259.48x = 37,367,234,415.53
  5. Step 5: Solve for x
    x = 37,367,234,415.53/223,259.48
  6. Step 6: Final answer
    x = 167,371.32

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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.