Home / 102,011.82-152,993.43-42,848.61

Finding the Fourth Proportional to 102,011.82, 152,993.43 and 42,848.61

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Solution

The fourth proportional to 102,011.82, 152,993.43 and 42,848.61 is: 64,262.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,011.82 : 152,993.43 = 42,848.61 : x
  2. Step 2: Convert to fraction form
    102,011.82/152,993.43 = 42,848.61/x
  3. Step 3: Cross multiply
    102,011.82x = 152,993.43 × 42,848.61
  4. Step 4: Simplify right side
    102,011.82x = 6,555,555,814.63
  5. Step 5: Solve for x
    x = 6,555,555,814.63/102,011.82
  6. Step 6: Final answer
    x = 64,262.71

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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.