Home / 99,740.40-149,481.33-40,507.26

Finding the Fourth Proportional to 99,740.40, 149,481.33 and 40,507.26

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Solution

The fourth proportional to 99,740.40, 149,481.33 and 40,507.26 is: 60,708.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,740.40 : 149,481.33 = 40,507.26 : x
  2. Step 2: Convert to fraction form
    99,740.40/149,481.33 = 40,507.26/x
  3. Step 3: Cross multiply
    99,740.40x = 149,481.33 × 40,507.26
  4. Step 4: Simplify right side
    99,740.40x = 6,055,078,352.05
  5. Step 5: Solve for x
    x = 6,055,078,352.05/99,740.40
  6. Step 6: Final answer
    x = 60,708.39

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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.