Home / 248,134.29-372,166.22-79,632.78

Finding the Fourth Proportional to 248,134.29, 372,166.22 and 79,632.78

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Solution

The fourth proportional to 248,134.29, 372,166.22 and 79,632.78 is: 119,437.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,134.29 : 372,166.22 = 79,632.78 : x
  2. Step 2: Convert to fraction form
    248,134.29/372,166.22 = 79,632.78/x
  3. Step 3: Cross multiply
    248,134.29x = 372,166.22 × 79,632.78
  4. Step 4: Simplify right side
    248,134.29x = 29,636,630,322.53
  5. Step 5: Solve for x
    x = 29,636,630,322.53/248,134.29
  6. Step 6: Final answer
    x = 119,437.87

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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.