Home / 109,825.20-151,566.48-62,078.94

Finding the Fourth Proportional to 109,825.20, 151,566.48 and 62,078.94

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Solution

The fourth proportional to 109,825.20, 151,566.48 and 62,078.94 is: 85,673.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,825.20 : 151,566.48 = 62,078.94 : x
  2. Step 2: Convert to fraction form
    109,825.20/151,566.48 = 62,078.94/x
  3. Step 3: Cross multiply
    109,825.20x = 151,566.48 × 62,078.94
  4. Step 4: Simplify right side
    109,825.20x = 9,409,086,417.93
  5. Step 5: Solve for x
    x = 9,409,086,417.93/109,825.20
  6. Step 6: Final answer
    x = 85,673.29

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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.