Home / 217,020.60-325,530.90-76,793.40

Finding the Fourth Proportional to 217,020.60, 325,530.90 and 76,793.40

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Solution

The fourth proportional to 217,020.60, 325,530.90 and 76,793.40 is: 115,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,020.60 : 325,530.90 = 76,793.40 : x
  2. Step 2: Convert to fraction form
    217,020.60/325,530.90 = 76,793.40/x
  3. Step 3: Cross multiply
    217,020.60x = 325,530.90 × 76,793.40
  4. Step 4: Simplify right side
    217,020.60x = 24,998,624,616.06
  5. Step 5: Solve for x
    x = 24,998,624,616.06/217,020.60
  6. Step 6: Final answer
    x = 115,190.10

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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.