Home / 154,466.20-231,407.70-79,330.60

Finding the Fourth Proportional to 154,466.20, 231,407.70 and 79,330.60

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Solution

The fourth proportional to 154,466.20, 231,407.70 and 79,330.60 is: 118,846.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,466.20 : 231,407.70 = 79,330.60 : x
  2. Step 2: Convert to fraction form
    154,466.20/231,407.70 = 79,330.60/x
  3. Step 3: Cross multiply
    154,466.20x = 231,407.70 × 79,330.60
  4. Step 4: Simplify right side
    154,466.20x = 18,357,711,685.62
  5. Step 5: Solve for x
    x = 18,357,711,685.62/154,466.20
  6. Step 6: Final answer
    x = 118,846.14

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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.