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Finding the Fourth Proportional to 148,683.64, 222,967.32 and 53,891.32

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Solution

The fourth proportional to 148,683.64, 222,967.32 and 53,891.32 is: 80,815.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,683.64 : 222,967.32 = 53,891.32 : x
  2. Step 2: Convert to fraction form
    148,683.64/222,967.32 = 53,891.32/x
  3. Step 3: Cross multiply
    148,683.64x = 222,967.32 × 53,891.32
  4. Step 4: Simplify right side
    148,683.64x = 12,016,003,191.66
  5. Step 5: Solve for x
    x = 12,016,003,191.66/148,683.64
  6. Step 6: Final answer
    x = 80,815.91

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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.