Home / 92,289.60-138,427.20-36,118.80

Finding the Fourth Proportional to 92,289.60, 138,427.20 and 36,118.80

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Solution

The fourth proportional to 92,289.60, 138,427.20 and 36,118.80 is: 54,175.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,289.60 : 138,427.20 = 36,118.80 : x
  2. Step 2: Convert to fraction form
    92,289.60/138,427.20 = 36,118.80/x
  3. Step 3: Cross multiply
    92,289.60x = 138,427.20 × 36,118.80
  4. Step 4: Simplify right side
    92,289.60x = 4,999,824,351.36
  5. Step 5: Solve for x
    x = 4,999,824,351.36/92,289.60
  6. Step 6: Final answer
    x = 54,175.38

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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.