Home / 162,664.40-243,923.70-73,872.20

Finding the Fourth Proportional to 162,664.40, 243,923.70 and 73,872.20

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Solution

The fourth proportional to 162,664.40, 243,923.70 and 73,872.20 is: 110,775.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,664.40 : 243,923.70 = 73,872.20 : x
  2. Step 2: Convert to fraction form
    162,664.40/243,923.70 = 73,872.20/x
  3. Step 3: Cross multiply
    162,664.40x = 243,923.70 × 73,872.20
  4. Step 4: Simplify right side
    162,664.40x = 18,019,180,351.14
  5. Step 5: Solve for x
    x = 18,019,180,351.14/162,664.40
  6. Step 6: Final answer
    x = 110,775.19

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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.