Home / 99,254.12-148,889.37-31,796

Finding the Fourth Proportional to 99,254.12, 148,889.37 and 31,796

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Solution

The fourth proportional to 99,254.12, 148,889.37 and 31,796 is: 47,696.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,254.12 : 148,889.37 = 31,796 : x
  2. Step 2: Convert to fraction form
    99,254.12/148,889.37 = 31,796/x
  3. Step 3: Cross multiply
    99,254.12x = 148,889.37 × 31,796
  4. Step 4: Simplify right side
    99,254.12x = 4,734,086,408.52
  5. Step 5: Solve for x
    x = 4,734,086,408.52/99,254.12
  6. Step 6: Final answer
    x = 47,696.62

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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.