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Finding the Fourth Proportional to 181,890.50, 251,011.49 and 104,378.77

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Solution

The fourth proportional to 181,890.50, 251,011.49 and 104,378.77 is: 144,044.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,890.50 : 251,011.49 = 104,378.77 : x
  2. Step 2: Convert to fraction form
    181,890.50/251,011.49 = 104,378.77/x
  3. Step 3: Cross multiply
    181,890.50x = 251,011.49 × 104,378.77
  4. Step 4: Simplify right side
    181,890.50x = 26,200,270,373.94
  5. Step 5: Solve for x
    x = 26,200,270,373.94/181,890.50
  6. Step 6: Final answer
    x = 144,044.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.