Home / 81,463.28-122,214.08-25,300.56

Finding the Fourth Proportional to 81,463.28, 122,214.08 and 25,300.56

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Solution

The fourth proportional to 81,463.28, 122,214.08 and 25,300.56 is: 37,956.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,463.28 : 122,214.08 = 25,300.56 : x
  2. Step 2: Convert to fraction form
    81,463.28/122,214.08 = 25,300.56/x
  3. Step 3: Cross multiply
    81,463.28x = 122,214.08 × 25,300.56
  4. Step 4: Simplify right side
    81,463.28x = 3,092,084,663.88
  5. Step 5: Solve for x
    x = 3,092,084,663.88/81,463.28
  6. Step 6: Final answer
    x = 37,956.79

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1.5x scale

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.