Home / 99,410.75-149,126.48-31,925.73

Finding the Fourth Proportional to 99,410.75, 149,126.48 and 31,925.73

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Solution

The fourth proportional to 99,410.75, 149,126.48 and 31,925.73 is: 47,891.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,410.75 : 149,126.48 = 31,925.73 : x
  2. Step 2: Convert to fraction form
    99,410.75/149,126.48 = 31,925.73/x
  3. Step 3: Cross multiply
    99,410.75x = 149,126.48 × 31,925.73
  4. Step 4: Simplify right side
    99,410.75x = 4,760,971,576.70
  5. Step 5: Solve for x
    x = 4,760,971,576.70/99,410.75
  6. Step 6: Final answer
    x = 47,891.92

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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.