Home / 68,911.93-103,346.02-22,153.87

Finding the Fourth Proportional to 68,911.93, 103,346.02 and 22,153.87

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Solution

The fourth proportional to 68,911.93, 103,346.02 and 22,153.87 is: 33,223.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,911.93 : 103,346.02 = 22,153.87 : x
  2. Step 2: Convert to fraction form
    68,911.93/103,346.02 = 22,153.87/x
  3. Step 3: Cross multiply
    68,911.93x = 103,346.02 × 22,153.87
  4. Step 4: Simplify right side
    68,911.93x = 2,289,514,292.10
  5. Step 5: Solve for x
    x = 2,289,514,292.10/68,911.93
  6. Step 6: Final answer
    x = 33,223.77

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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.