Home / 81,948.48-122,903.28-22,786.08

Finding the Fourth Proportional to 81,948.48, 122,903.28 and 22,786.08

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Solution

The fourth proportional to 81,948.48, 122,903.28 and 22,786.08 is: 34,173.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,948.48 : 122,903.28 = 22,786.08 : x
  2. Step 2: Convert to fraction form
    81,948.48/122,903.28 = 22,786.08/x
  3. Step 3: Cross multiply
    81,948.48x = 122,903.28 × 22,786.08
  4. Step 4: Simplify right side
    81,948.48x = 2,800,483,970.34
  5. Step 5: Solve for x
    x = 2,800,483,970.34/81,948.48
  6. Step 6: Final answer
    x = 34,173.71

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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.