Home / 281,330.00-422,032.05-91,723.78

Finding the Fourth Proportional to 281,330.00, 422,032.05 and 91,723.78

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Solution

The fourth proportional to 281,330.00, 422,032.05 and 91,723.78 is: 137,597.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,330.00 : 422,032.05 = 91,723.78 : x
  2. Step 2: Convert to fraction form
    281,330.00/422,032.05 = 91,723.78/x
  3. Step 3: Cross multiply
    281,330.00x = 422,032.05 × 91,723.78
  4. Step 4: Simplify right side
    281,330.00x = 38,710,373,852.07
  5. Step 5: Solve for x
    x = 38,710,373,852.07/281,330.00
  6. Step 6: Final answer
    x = 137,597.75

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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.