Home / 153,815.70-230,723.55-147,910.80

Finding the Fourth Proportional to 153,815.70, 230,723.55 and 147,910.80

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Solution

The fourth proportional to 153,815.70, 230,723.55 and 147,910.80 is: 221,866.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,815.70 : 230,723.55 = 147,910.80 : x
  2. Step 2: Convert to fraction form
    153,815.70/230,723.55 = 147,910.80/x
  3. Step 3: Cross multiply
    153,815.70x = 230,723.55 × 147,910.80
  4. Step 4: Simplify right side
    153,815.70x = 34,126,504,859.34
  5. Step 5: Solve for x
    x = 34,126,504,859.34/153,815.70
  6. Step 6: Final answer
    x = 221,866.20

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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.