Home / 281,301.12-421,951.68-114,998.40

Finding the Fourth Proportional to 281,301.12, 421,951.68 and 114,998.40

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Solution

The fourth proportional to 281,301.12, 421,951.68 and 114,998.40 is: 172,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,301.12 : 421,951.68 = 114,998.40 : x
  2. Step 2: Convert to fraction form
    281,301.12/421,951.68 = 114,998.40/x
  3. Step 3: Cross multiply
    281,301.12x = 421,951.68 × 114,998.40
  4. Step 4: Simplify right side
    281,301.12x = 48,523,768,077.31
  5. Step 5: Solve for x
    x = 48,523,768,077.31/281,301.12
  6. Step 6: Final answer
    x = 172,497.60

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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.