Home / 162,011.39-243,017.09-51,194.75

Finding the Fourth Proportional to 162,011.39, 243,017.09 and 51,194.75

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Solution

The fourth proportional to 162,011.39, 243,017.09 and 51,194.75 is: 76,792.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,011.39 : 243,017.09 = 51,194.75 : x
  2. Step 2: Convert to fraction form
    162,011.39/243,017.09 = 51,194.75/x
  3. Step 3: Cross multiply
    162,011.39x = 243,017.09 × 51,194.75
  4. Step 4: Simplify right side
    162,011.39x = 12,441,198,912.30
  5. Step 5: Solve for x
    x = 12,441,198,912.30/162,011.39
  6. Step 6: Final answer
    x = 76,792.13

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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.