Home / 89,421.60-134,150.40-26,241.60

Finding the Fourth Proportional to 89,421.60, 134,150.40 and 26,241.60

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Solution

The fourth proportional to 89,421.60, 134,150.40 and 26,241.60 is: 39,367.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,421.60 : 134,150.40 = 26,241.60 : x
  2. Step 2: Convert to fraction form
    89,421.60/134,150.40 = 26,241.60/x
  3. Step 3: Cross multiply
    89,421.60x = 134,150.40 × 26,241.60
  4. Step 4: Simplify right side
    89,421.60x = 3,520,321,136.64
  5. Step 5: Solve for x
    x = 3,520,321,136.64/89,421.60
  6. Step 6: Final answer
    x = 39,367.68

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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.