Home / 242,911.12-364,279.20-102,680.68

Finding the Fourth Proportional to 242,911.12, 364,279.20 and 102,680.68

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Solution

The fourth proportional to 242,911.12, 364,279.20 and 102,680.68 is: 153,984.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,911.12 : 364,279.20 = 102,680.68 : x
  2. Step 2: Convert to fraction form
    242,911.12/364,279.20 = 102,680.68/x
  3. Step 3: Cross multiply
    242,911.12x = 364,279.20 × 102,680.68
  4. Step 4: Simplify right side
    242,911.12x = 37,404,434,670.11
  5. Step 5: Solve for x
    x = 37,404,434,670.11/242,911.12
  6. Step 6: Final answer
    x = 153,984.04

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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.