Home / 99,330.12-148,911.21-43,127.73

Finding the Fourth Proportional to 99,330.12, 148,911.21 and 43,127.73

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Solution

The fourth proportional to 99,330.12, 148,911.21 and 43,127.73 is: 64,655.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,330.12 : 148,911.21 = 43,127.73 : x
  2. Step 2: Convert to fraction form
    99,330.12/148,911.21 = 43,127.73/x
  3. Step 3: Cross multiply
    99,330.12x = 148,911.21 × 43,127.73
  4. Step 4: Simplify right side
    99,330.12x = 6,422,202,458.85
  5. Step 5: Solve for x
    x = 6,422,202,458.85/99,330.12
  6. Step 6: Final answer
    x = 64,655.14

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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.