Home / 104,908.23-157,427.91-42,578.73

Finding the Fourth Proportional to 104,908.23, 157,427.91 and 42,578.73

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Solution

The fourth proportional to 104,908.23, 157,427.91 and 42,578.73 is: 63,894.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,908.23 : 157,427.91 = 42,578.73 : x
  2. Step 2: Convert to fraction form
    104,908.23/157,427.91 = 42,578.73/x
  3. Step 3: Cross multiply
    104,908.23x = 157,427.91 × 42,578.73
  4. Step 4: Simplify right side
    104,908.23x = 6,703,080,474.35
  5. Step 5: Solve for x
    x = 6,703,080,474.35/104,908.23
  6. Step 6: Final answer
    x = 63,894.71

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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.