Home / 239,642.16-330,707.25-132,215.36

Finding the Fourth Proportional to 239,642.16, 330,707.25 and 132,215.36

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Solution

The fourth proportional to 239,642.16, 330,707.25 and 132,215.36 is: 182,457.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,642.16 : 330,707.25 = 132,215.36 : x
  2. Step 2: Convert to fraction form
    239,642.16/330,707.25 = 132,215.36/x
  3. Step 3: Cross multiply
    239,642.16x = 330,707.25 × 132,215.36
  4. Step 4: Simplify right side
    239,642.16x = 43,724,576,459.82
  5. Step 5: Solve for x
    x = 43,724,576,459.82/239,642.16
  6. Step 6: Final answer
    x = 182,457.78

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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.