Home / 152,824.40-229,236.60-90,462.80

Finding the Fourth Proportional to 152,824.40, 229,236.60 and 90,462.80

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Solution

The fourth proportional to 152,824.40, 229,236.60 and 90,462.80 is: 135,694.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,824.40 : 229,236.60 = 90,462.80 : x
  2. Step 2: Convert to fraction form
    152,824.40/229,236.60 = 90,462.80/x
  3. Step 3: Cross multiply
    152,824.40x = 229,236.60 × 90,462.80
  4. Step 4: Simplify right side
    152,824.40x = 20,737,384,698.48
  5. Step 5: Solve for x
    x = 20,737,384,698.48/152,824.40
  6. Step 6: Final answer
    x = 135,694.20

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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.