Home / 239,665.18-330,739.02-132,235.15

Finding the Fourth Proportional to 239,665.18, 330,739.02 and 132,235.15

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Solution

The fourth proportional to 239,665.18, 330,739.02 and 132,235.15 is: 182,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,665.18 : 330,739.02 = 132,235.15 : x
  2. Step 2: Convert to fraction form
    239,665.18/330,739.02 = 132,235.15/x
  3. Step 3: Cross multiply
    239,665.18x = 330,739.02 × 132,235.15
  4. Step 4: Simplify right side
    239,665.18x = 43,735,323,920.55
  5. Step 5: Solve for x
    x = 43,735,323,920.55/239,665.18
  6. Step 6: Final answer
    x = 182,485.10

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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.