Home / 162,182.60-243,144.30-68,611.40

Finding the Fourth Proportional to 162,182.60, 243,144.30 and 68,611.40

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Solution

The fourth proportional to 162,182.60, 243,144.30 and 68,611.40 is: 102,862.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,182.60 : 243,144.30 = 68,611.40 : x
  2. Step 2: Convert to fraction form
    162,182.60/243,144.30 = 68,611.40/x
  3. Step 3: Cross multiply
    162,182.60x = 243,144.30 × 68,611.40
  4. Step 4: Simplify right side
    162,182.60x = 16,682,470,825.02
  5. Step 5: Solve for x
    x = 16,682,470,825.02/162,182.60
  6. Step 6: Final answer
    x = 102,862.27

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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.