Home / 96,819.81-144,918.90-51,728.48

Finding the Fourth Proportional to 96,819.81, 144,918.90 and 51,728.48

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Solution

The fourth proportional to 96,819.81, 144,918.90 and 51,728.48 is: 77,426.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,819.81 : 144,918.90 = 51,728.48 : x
  2. Step 2: Convert to fraction form
    96,819.81/144,918.90 = 51,728.48/x
  3. Step 3: Cross multiply
    96,819.81x = 144,918.90 × 51,728.48
  4. Step 4: Simplify right side
    96,819.81x = 7,496,434,420.27
  5. Step 5: Solve for x
    x = 7,496,434,420.27/96,819.81
  6. Step 6: Final answer
    x = 77,426.66

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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.