Home / 148,968.72-205,566.12-85,304.88

Finding the Fourth Proportional to 148,968.72, 205,566.12 and 85,304.88

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Solution

The fourth proportional to 148,968.72, 205,566.12 and 85,304.88 is: 117,714.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,968.72 : 205,566.12 = 85,304.88 : x
  2. Step 2: Convert to fraction form
    148,968.72/205,566.12 = 85,304.88/x
  3. Step 3: Cross multiply
    148,968.72x = 205,566.12 × 85,304.88
  4. Step 4: Simplify right side
    148,968.72x = 17,535,793,198.67
  5. Step 5: Solve for x
    x = 17,535,793,198.67/148,968.72
  6. Step 6: Final answer
    x = 117,714.60

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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.