Home / 123,479.42-185,217.78-29,985.26

Finding the Fourth Proportional to 123,479.42, 185,217.78 and 29,985.26

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Solution

The fourth proportional to 123,479.42, 185,217.78 and 29,985.26 is: 44,977.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,479.42 : 185,217.78 = 29,985.26 : x
  2. Step 2: Convert to fraction form
    123,479.42/185,217.78 = 29,985.26/x
  3. Step 3: Cross multiply
    123,479.42x = 185,217.78 × 29,985.26
  4. Step 4: Simplify right side
    123,479.42x = 5,553,803,289.92
  5. Step 5: Solve for x
    x = 5,553,803,289.92/123,479.42
  6. Step 6: Final answer
    x = 44,977.56

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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.