Home / 99,629.70-149,444.55-76,010.10

Finding the Fourth Proportional to 99,629.70, 149,444.55 and 76,010.10

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Solution

The fourth proportional to 99,629.70, 149,444.55 and 76,010.10 is: 114,015.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,629.70 : 149,444.55 = 76,010.10 : x
  2. Step 2: Convert to fraction form
    99,629.70/149,444.55 = 76,010.10/x
  3. Step 3: Cross multiply
    99,629.70x = 149,444.55 × 76,010.10
  4. Step 4: Simplify right side
    99,629.70x = 11,359,295,189.96
  5. Step 5: Solve for x
    x = 11,359,295,189.96/99,629.70
  6. Step 6: Final answer
    x = 114,015.15

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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.