Home / 124,351.45-171,632.68-79,020.58

Finding the Fourth Proportional to 124,351.45, 171,632.68 and 79,020.58

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Solution

The fourth proportional to 124,351.45, 171,632.68 and 79,020.58 is: 109,065.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,351.45 : 171,632.68 = 79,020.58 : x
  2. Step 2: Convert to fraction form
    124,351.45/171,632.68 = 79,020.58/x
  3. Step 3: Cross multiply
    124,351.45x = 171,632.68 × 79,020.58
  4. Step 4: Simplify right side
    124,351.45x = 13,562,514,533.38
  5. Step 5: Solve for x
    x = 13,562,514,533.38/124,351.45
  6. Step 6: Final answer
    x = 109,065.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.