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Finding the Fourth Proportional to 162,053.60, 243,080.40 and 51,245.60

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Solution

The fourth proportional to 162,053.60, 243,080.40 and 51,245.60 is: 76,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,053.60 : 243,080.40 = 51,245.60 : x
  2. Step 2: Convert to fraction form
    162,053.60/243,080.40 = 51,245.60/x
  3. Step 3: Cross multiply
    162,053.60x = 243,080.40 × 51,245.60
  4. Step 4: Simplify right side
    162,053.60x = 12,456,800,946.24
  5. Step 5: Solve for x
    x = 12,456,800,946.24/162,053.60
  6. Step 6: Final answer
    x = 76,868.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.