Home / 154,334.60-231,215.32-79,500.16

Finding the Fourth Proportional to 154,334.60, 231,215.32 and 79,500.16

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Solution

The fourth proportional to 154,334.60, 231,215.32 and 79,500.16 is: 119,102.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,334.60 : 231,215.32 = 79,500.16 : x
  2. Step 2: Convert to fraction form
    154,334.60/231,215.32 = 79,500.16/x
  3. Step 3: Cross multiply
    154,334.60x = 231,215.32 × 79,500.16
  4. Step 4: Simplify right side
    154,334.60x = 18,381,654,934.45
  5. Step 5: Solve for x
    x = 18,381,654,934.45/154,334.60
  6. Step 6: Final answer
    x = 119,102.62

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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.