Home / 152,815.20-229,222.80-103,048.80

Finding the Fourth Proportional to 152,815.20, 229,222.80 and 103,048.80

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Solution

The fourth proportional to 152,815.20, 229,222.80 and 103,048.80 is: 154,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,815.20 : 229,222.80 = 103,048.80 : x
  2. Step 2: Convert to fraction form
    152,815.20/229,222.80 = 103,048.80/x
  3. Step 3: Cross multiply
    152,815.20x = 229,222.80 × 103,048.80
  4. Step 4: Simplify right side
    152,815.20x = 23,621,134,472.64
  5. Step 5: Solve for x
    x = 23,621,134,472.64/152,815.20
  6. Step 6: Final answer
    x = 154,573.20

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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.