Home / 99,558.40-149,337.60-29,438.40

Finding the Fourth Proportional to 99,558.40, 149,337.60 and 29,438.40

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Solution

The fourth proportional to 99,558.40, 149,337.60 and 29,438.40 is: 44,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,558.40 : 149,337.60 = 29,438.40 : x
  2. Step 2: Convert to fraction form
    99,558.40/149,337.60 = 29,438.40/x
  3. Step 3: Cross multiply
    99,558.40x = 149,337.60 × 29,438.40
  4. Step 4: Simplify right side
    99,558.40x = 4,396,260,003.84
  5. Step 5: Solve for x
    x = 4,396,260,003.84/99,558.40
  6. Step 6: Final answer
    x = 44,157.60

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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.