Home / 119,259.28-178,887.65-30,512.08

Finding the Fourth Proportional to 119,259.28, 178,887.65 and 30,512.08

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Solution

The fourth proportional to 119,259.28, 178,887.65 and 30,512.08 is: 45,767.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,259.28 : 178,887.65 = 30,512.08 : x
  2. Step 2: Convert to fraction form
    119,259.28/178,887.65 = 30,512.08/x
  3. Step 3: Cross multiply
    119,259.28x = 178,887.65 × 30,512.08
  4. Step 4: Simplify right side
    119,259.28x = 5,458,233,393.37
  5. Step 5: Solve for x
    x = 5,458,233,393.37/119,259.28
  6. Step 6: Final answer
    x = 45,767.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.