Home / 239,439.58-330,428.86-132,013.45

Finding the Fourth Proportional to 239,439.58, 330,428.86 and 132,013.45

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Solution

The fourth proportional to 239,439.58, 330,428.86 and 132,013.45 is: 182,179.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,439.58 : 330,428.86 = 132,013.45 : x
  2. Step 2: Convert to fraction form
    239,439.58/330,428.86 = 132,013.45/x
  3. Step 3: Cross multiply
    239,439.58x = 330,428.86 × 132,013.45
  4. Step 4: Simplify right side
    239,439.58x = 43,621,053,788.17
  5. Step 5: Solve for x
    x = 43,621,053,788.17/239,439.58
  6. Step 6: Final answer
    x = 182,179.80

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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.