Home / 83,214.87-114,594.62-72,308.42

Finding the Fourth Proportional to 83,214.87, 114,594.62 and 72,308.42

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Solution

The fourth proportional to 83,214.87, 114,594.62 and 72,308.42 is: 99,575.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,214.87 : 114,594.62 = 72,308.42 : x
  2. Step 2: Convert to fraction form
    83,214.87/114,594.62 = 72,308.42/x
  3. Step 3: Cross multiply
    83,214.87x = 114,594.62 × 72,308.42
  4. Step 4: Simplify right side
    83,214.87x = 8,286,155,912.70
  5. Step 5: Solve for x
    x = 8,286,155,912.70/83,214.87
  6. Step 6: Final answer
    x = 99,575.42

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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.