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Finding the Fourth Proportional to 92,407.57, 138,611.05 and 22,286.88

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Solution

The fourth proportional to 92,407.57, 138,611.05 and 22,286.88 is: 33,430.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,407.57 : 138,611.05 = 22,286.88 : x
  2. Step 2: Convert to fraction form
    92,407.57/138,611.05 = 22,286.88/x
  3. Step 3: Cross multiply
    92,407.57x = 138,611.05 × 22,286.88
  4. Step 4: Simplify right side
    92,407.57x = 3,089,207,782.31
  5. Step 5: Solve for x
    x = 3,089,207,782.31/92,407.57
  6. Step 6: Final answer
    x = 33,430.25

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1.5x scale

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.