Home / 236,995.12-327,055.44-129,563.20

Finding the Fourth Proportional to 236,995.12, 327,055.44 and 129,563.20

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Solution

The fourth proportional to 236,995.12, 327,055.44 and 129,563.20 is: 178,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,995.12 : 327,055.44 = 129,563.20 : x
  2. Step 2: Convert to fraction form
    236,995.12/327,055.44 = 129,563.20/x
  3. Step 3: Cross multiply
    236,995.12x = 327,055.44 × 129,563.20
  4. Step 4: Simplify right side
    236,995.12x = 42,374,349,383.81
  5. Step 5: Solve for x
    x = 42,374,349,383.81/236,995.12
  6. Step 6: Final answer
    x = 178,798.40

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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.