Home / 103,296.60-154,726.20-92,215.80

Finding the Fourth Proportional to 103,296.60, 154,726.20 and 92,215.80

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Solution

The fourth proportional to 103,296.60, 154,726.20 and 92,215.80 is: 138,128.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,296.60 : 154,726.20 = 92,215.80 : x
  2. Step 2: Convert to fraction form
    103,296.60/154,726.20 = 92,215.80/x
  3. Step 3: Cross multiply
    103,296.60x = 154,726.20 × 92,215.80
  4. Step 4: Simplify right side
    103,296.60x = 14,268,200,313.96
  5. Step 5: Solve for x
    x = 14,268,200,313.96/103,296.60
  6. Step 6: Final answer
    x = 138,128.46

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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.