Home / 73,147.81-109,710.50-23,221.43

Finding the Fourth Proportional to 73,147.81, 109,710.50 and 23,221.43

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Solution

The fourth proportional to 73,147.81, 109,710.50 and 23,221.43 is: 34,828.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,147.81 : 109,710.50 = 23,221.43 : x
  2. Step 2: Convert to fraction form
    73,147.81/109,710.50 = 23,221.43/x
  3. Step 3: Cross multiply
    73,147.81x = 109,710.50 × 23,221.43
  4. Step 4: Simplify right side
    73,147.81x = 2,547,635,028.34
  5. Step 5: Solve for x
    x = 2,547,635,028.34/73,147.81
  6. Step 6: Final answer
    x = 34,828.59

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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.