Home / 201,730.52-278,294.58-130,133.60

Finding the Fourth Proportional to 201,730.52, 278,294.58 and 130,133.60

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Solution

The fourth proportional to 201,730.52, 278,294.58 and 130,133.60 is: 179,524.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,730.52 : 278,294.58 = 130,133.60 : x
  2. Step 2: Convert to fraction form
    201,730.52/278,294.58 = 130,133.60/x
  3. Step 3: Cross multiply
    201,730.52x = 278,294.58 × 130,133.60
  4. Step 4: Simplify right side
    201,730.52x = 36,215,476,251.62
  5. Step 5: Solve for x
    x = 36,215,476,251.62/201,730.52
  6. Step 6: Final answer
    x = 179,524.04

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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.