Home / 154,030.80-231,046.20-135,951.60

Finding the Fourth Proportional to 154,030.80, 231,046.20 and 135,951.60

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Solution

The fourth proportional to 154,030.80, 231,046.20 and 135,951.60 is: 203,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,030.80 : 231,046.20 = 135,951.60 : x
  2. Step 2: Convert to fraction form
    154,030.80/231,046.20 = 135,951.60/x
  3. Step 3: Cross multiply
    154,030.80x = 231,046.20 × 135,951.60
  4. Step 4: Simplify right side
    154,030.80x = 31,411,100,563.92
  5. Step 5: Solve for x
    x = 31,411,100,563.92/154,030.80
  6. Step 6: Final answer
    x = 203,927.40

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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.