Home / 152,619.20-228,928.80-130,068.80

Finding the Fourth Proportional to 152,619.20, 228,928.80 and 130,068.80

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Solution

The fourth proportional to 152,619.20, 228,928.80 and 130,068.80 is: 195,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,619.20 : 228,928.80 = 130,068.80 : x
  2. Step 2: Convert to fraction form
    152,619.20/228,928.80 = 130,068.80/x
  3. Step 3: Cross multiply
    152,619.20x = 228,928.80 × 130,068.80
  4. Step 4: Simplify right side
    152,619.20x = 29,776,494,301.44
  5. Step 5: Solve for x
    x = 29,776,494,301.44/152,619.20
  6. Step 6: Final answer
    x = 195,103.20

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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.