Home / 103,288.60-154,714.20-92,207.80

Finding the Fourth Proportional to 103,288.60, 154,714.20 and 92,207.80

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Solution

The fourth proportional to 103,288.60, 154,714.20 and 92,207.80 is: 138,116.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,288.60 : 154,714.20 = 92,207.80 : x
  2. Step 2: Convert to fraction form
    103,288.60/154,714.20 = 92,207.80/x
  3. Step 3: Cross multiply
    103,288.60x = 154,714.20 × 92,207.80
  4. Step 4: Simplify right side
    103,288.60x = 14,265,856,010.76
  5. Step 5: Solve for x
    x = 14,265,856,010.76/103,288.60
  6. Step 6: Final answer
    x = 138,116.46

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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.