Home / 152,053.20-228,209.40-67,942.80

Finding the Fourth Proportional to 152,053.20, 228,209.40 and 67,942.80

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Solution

The fourth proportional to 152,053.20, 228,209.40 and 67,942.80 is: 101,972.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,053.20 : 228,209.40 = 67,942.80 : x
  2. Step 2: Convert to fraction form
    152,053.20/228,209.40 = 67,942.80/x
  3. Step 3: Cross multiply
    152,053.20x = 228,209.40 × 67,942.80
  4. Step 4: Simplify right side
    152,053.20x = 15,505,185,622.32
  5. Step 5: Solve for x
    x = 15,505,185,622.32/152,053.20
  6. Step 6: Final answer
    x = 101,972.11

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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.