Home / 162,010.39-243,015.59-51,193.75

Finding the Fourth Proportional to 162,010.39, 243,015.59 and 51,193.75

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Solution

The fourth proportional to 162,010.39, 243,015.59 and 51,193.75 is: 76,790.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,010.39 : 243,015.59 = 51,193.75 : x
  2. Step 2: Convert to fraction form
    162,010.39/243,015.59 = 51,193.75/x
  3. Step 3: Cross multiply
    162,010.39x = 243,015.59 × 51,193.75
  4. Step 4: Simplify right side
    162,010.39x = 12,440,879,360.56
  5. Step 5: Solve for x
    x = 12,440,879,360.56/162,010.39
  6. Step 6: Final answer
    x = 76,790.63

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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.