Home / 148,847.35-205,405.46-88,418.11

Finding the Fourth Proportional to 148,847.35, 205,405.46 and 88,418.11

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Solution

The fourth proportional to 148,847.35, 205,405.46 and 88,418.11 is: 122,014.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,847.35 : 205,405.46 = 88,418.11 : x
  2. Step 2: Convert to fraction form
    148,847.35/205,405.46 = 88,418.11/x
  3. Step 3: Cross multiply
    148,847.35x = 205,405.46 × 88,418.11
  4. Step 4: Simplify right side
    148,847.35x = 18,161,562,114.79
  5. Step 5: Solve for x
    x = 18,161,562,114.79/148,847.35
  6. Step 6: Final answer
    x = 122,014.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.