Home / 152,080.20-228,185.10-105,307.56

Finding the Fourth Proportional to 152,080.20, 228,185.10 and 105,307.56

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Solution

The fourth proportional to 152,080.20, 228,185.10 and 105,307.56 is: 158,006.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,080.20 : 228,185.10 = 105,307.56 : x
  2. Step 2: Convert to fraction form
    152,080.20/228,185.10 = 105,307.56/x
  3. Step 3: Cross multiply
    152,080.20x = 228,185.10 × 105,307.56
  4. Step 4: Simplify right side
    152,080.20x = 24,029,616,109.36
  5. Step 5: Solve for x
    x = 24,029,616,109.36/152,080.20
  6. Step 6: Final answer
    x = 158,006.21

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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.