Home / 239,089.81-329,943.91-131,659.59

Finding the Fourth Proportional to 239,089.81, 329,943.91 and 131,659.59

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Solution

The fourth proportional to 239,089.81, 329,943.91 and 131,659.59 is: 181,690.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,089.81 : 329,943.91 = 131,659.59 : x
  2. Step 2: Convert to fraction form
    239,089.81/329,943.91 = 131,659.59/x
  3. Step 3: Cross multiply
    239,089.81x = 329,943.91 × 131,659.59
  4. Step 4: Simplify right side
    239,089.81x = 43,440,279,913.60
  5. Step 5: Solve for x
    x = 43,440,279,913.60/239,089.81
  6. Step 6: Final answer
    x = 181,690.22

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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.