Home / 239,086.81-329,939.77-131,656.59

Finding the Fourth Proportional to 239,086.81, 329,939.77 and 131,656.59

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Solution

The fourth proportional to 239,086.81, 329,939.77 and 131,656.59 is: 181,686.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,086.81 : 329,939.77 = 131,656.59 : x
  2. Step 2: Convert to fraction form
    239,086.81/329,939.77 = 131,656.59/x
  3. Step 3: Cross multiply
    239,086.81x = 329,939.77 × 131,656.59
  4. Step 4: Simplify right side
    239,086.81x = 43,438,745,023.58
  5. Step 5: Solve for x
    x = 43,438,745,023.58/239,086.81
  6. Step 6: Final answer
    x = 181,686.08

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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.