Home / 281,307.85-421,932.61-148,134.13

Finding the Fourth Proportional to 281,307.85, 421,932.61 and 148,134.13

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Solution

The fourth proportional to 281,307.85, 421,932.61 and 148,134.13 is: 222,185.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,307.85 : 421,932.61 = 148,134.13 : x
  2. Step 2: Convert to fraction form
    281,307.85/421,932.61 = 148,134.13/x
  3. Step 3: Cross multiply
    281,307.85x = 421,932.61 × 148,134.13
  4. Step 4: Simplify right side
    281,307.85x = 62,502,620,100.98
  5. Step 5: Solve for x
    x = 62,502,620,100.98/281,307.85
  6. Step 6: Final answer
    x = 222,185.84

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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.