Home / 162,350.94-243,530.58-76,941.75

Finding the Fourth Proportional to 162,350.94, 243,530.58 and 76,941.75

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Solution

The fourth proportional to 162,350.94, 243,530.58 and 76,941.75 is: 115,414.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,350.94 : 243,530.58 = 76,941.75 : x
  2. Step 2: Convert to fraction form
    162,350.94/243,530.58 = 76,941.75/x
  3. Step 3: Cross multiply
    162,350.94x = 243,530.58 × 76,941.75
  4. Step 4: Simplify right side
    162,350.94x = 18,737,669,003.72
  5. Step 5: Solve for x
    x = 18,737,669,003.72/162,350.94
  6. Step 6: Final answer
    x = 115,414.60

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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.