Home / 99,899.64-149,849.55-29,777.22

Finding the Fourth Proportional to 99,899.64, 149,849.55 and 29,777.22

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Solution

The fourth proportional to 99,899.64, 149,849.55 and 29,777.22 is: 44,665.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,899.64 : 149,849.55 = 29,777.22 : x
  2. Step 2: Convert to fraction form
    99,899.64/149,849.55 = 29,777.22/x
  3. Step 3: Cross multiply
    99,899.64x = 149,849.55 × 29,777.22
  4. Step 4: Simplify right side
    99,899.64x = 4,462,103,017.25
  5. Step 5: Solve for x
    x = 4,462,103,017.25/99,899.64
  6. Step 6: Final answer
    x = 44,665.86

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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.