Home / 239,428.90-330,431.57-132,009.13

Finding the Fourth Proportional to 239,428.90, 330,431.57 and 132,009.13

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Solution

The fourth proportional to 239,428.90, 330,431.57 and 132,009.13 is: 182,183.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,428.90 : 330,431.57 = 132,009.13 : x
  2. Step 2: Convert to fraction form
    239,428.90/330,431.57 = 132,009.13/x
  3. Step 3: Cross multiply
    239,428.90x = 330,431.57 × 132,009.13
  4. Step 4: Simplify right side
    239,428.90x = 43,619,984,080.23
  5. Step 5: Solve for x
    x = 43,619,984,080.23/239,428.90
  6. Step 6: Final answer
    x = 182,183.45

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1.5x scale

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.