Home / 239,511.96-330,520.50-132,080.40

Finding the Fourth Proportional to 239,511.96, 330,520.50 and 132,080.40

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Solution

The fourth proportional to 239,511.96, 330,520.50 and 132,080.40 is: 182,267.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,511.96 : 330,520.50 = 132,080.40 : x
  2. Step 2: Convert to fraction form
    239,511.96/330,520.50 = 132,080.40/x
  3. Step 3: Cross multiply
    239,511.96x = 330,520.50 × 132,080.40
  4. Step 4: Simplify right side
    239,511.96x = 43,655,279,848.20
  5. Step 5: Solve for x
    x = 43,655,279,848.20/239,511.96
  6. Step 6: Final answer
    x = 182,267.64

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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.