Home / 154,380.86-231,197.54-106,862.80

Finding the Fourth Proportional to 154,380.86, 231,197.54 and 106,862.80

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Solution

The fourth proportional to 154,380.86, 231,197.54 and 106,862.80 is: 160,035.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,380.86 : 231,197.54 = 106,862.80 : x
  2. Step 2: Convert to fraction form
    154,380.86/231,197.54 = 106,862.80/x
  3. Step 3: Cross multiply
    154,380.86x = 231,197.54 × 106,862.80
  4. Step 4: Simplify right side
    154,380.86x = 24,706,416,477.51
  5. Step 5: Solve for x
    x = 24,706,416,477.51/154,380.86
  6. Step 6: Final answer
    x = 160,035.49

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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.