Home / 215,654.04-323,086.86-156,342.60

Finding the Fourth Proportional to 215,654.04, 323,086.86 and 156,342.60

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Solution

The fourth proportional to 215,654.04, 323,086.86 and 156,342.60 is: 234,228.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,654.04 : 323,086.86 = 156,342.60 : x
  2. Step 2: Convert to fraction form
    215,654.04/323,086.86 = 156,342.60/x
  3. Step 3: Cross multiply
    215,654.04x = 323,086.86 × 156,342.60
  4. Step 4: Simplify right side
    215,654.04x = 50,512,239,718.24
  5. Step 5: Solve for x
    x = 50,512,239,718.24/215,654.04
  6. Step 6: Final answer
    x = 234,228.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.