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Finding the Fourth Proportional to 148,374.60, 222,518.70 and 81,846.60

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Solution

The fourth proportional to 148,374.60, 222,518.70 and 81,846.60 is: 122,746.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,374.60 : 222,518.70 = 81,846.60 : x
  2. Step 2: Convert to fraction form
    148,374.60/222,518.70 = 81,846.60/x
  3. Step 3: Cross multiply
    148,374.60x = 222,518.70 × 81,846.60
  4. Step 4: Simplify right side
    148,374.60x = 18,212,399,031.42
  5. Step 5: Solve for x
    x = 18,212,399,031.42/148,374.60
  6. Step 6: Final answer
    x = 122,746.07

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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.