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Finding the Fourth Proportional to 88,656.40, 133,033.20 and 36,103.60

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Solution

The fourth proportional to 88,656.40, 133,033.20 and 36,103.60 is: 54,175.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,656.40 : 133,033.20 = 36,103.60 : x
  2. Step 2: Convert to fraction form
    88,656.40/133,033.20 = 36,103.60/x
  3. Step 3: Cross multiply
    88,656.40x = 133,033.20 × 36,103.60
  4. Step 4: Simplify right side
    88,656.40x = 4,802,977,439.52
  5. Step 5: Solve for x
    x = 4,802,977,439.52/88,656.40
  6. Step 6: Final answer
    x = 54,175.19

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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.