Home / 99,364.75-149,024.73-28,285.81

Finding the Fourth Proportional to 99,364.75, 149,024.73 and 28,285.81

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Solution

The fourth proportional to 99,364.75, 149,024.73 and 28,285.81 is: 42,422.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,364.75 : 149,024.73 = 28,285.81 : x
  2. Step 2: Convert to fraction form
    99,364.75/149,024.73 = 28,285.81/x
  3. Step 3: Cross multiply
    99,364.75x = 149,024.73 × 28,285.81
  4. Step 4: Simplify right side
    99,364.75x = 4,215,285,198.08
  5. Step 5: Solve for x
    x = 4,215,285,198.08/99,364.75
  6. Step 6: Final answer
    x = 42,422.34

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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.