Home / 80,202.24-120,407.04-43,292.16

Finding the Fourth Proportional to 80,202.24, 120,407.04 and 43,292.16

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Solution

The fourth proportional to 80,202.24, 120,407.04 and 43,292.16 is: 64,994.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,202.24 : 120,407.04 = 43,292.16 : x
  2. Step 2: Convert to fraction form
    80,202.24/120,407.04 = 43,292.16/x
  3. Step 3: Cross multiply
    80,202.24x = 120,407.04 × 43,292.16
  4. Step 4: Simplify right side
    80,202.24x = 5,212,680,840.81
  5. Step 5: Solve for x
    x = 5,212,680,840.81/80,202.24
  6. Step 6: Final answer
    x = 64,994.21

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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.