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Finding the Fourth Proportional to 183,729.60, 275,594.40 and 90,417.60

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Solution

The fourth proportional to 183,729.60, 275,594.40 and 90,417.60 is: 135,626.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,729.60 : 275,594.40 = 90,417.60 : x
  2. Step 2: Convert to fraction form
    183,729.60/275,594.40 = 90,417.60/x
  3. Step 3: Cross multiply
    183,729.60x = 275,594.40 × 90,417.60
  4. Step 4: Simplify right side
    183,729.60x = 24,918,584,221.44
  5. Step 5: Solve for x
    x = 24,918,584,221.44/183,729.60
  6. Step 6: Final answer
    x = 135,626.40

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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.