Home / 154,792.60-231,890.80-131,360.92

Finding the Fourth Proportional to 154,792.60, 231,890.80 and 131,360.92

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Solution

The fourth proportional to 154,792.60, 231,890.80 and 131,360.92 is: 196,788.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,792.60 : 231,890.80 = 131,360.92 : x
  2. Step 2: Convert to fraction form
    154,792.60/231,890.80 = 131,360.92/x
  3. Step 3: Cross multiply
    154,792.60x = 231,890.80 × 131,360.92
  4. Step 4: Simplify right side
    154,792.60x = 30,461,388,827.54
  5. Step 5: Solve for x
    x = 30,461,388,827.54/154,792.60
  6. Step 6: Final answer
    x = 196,788.40

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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.