Home / 243,219.62-364,518.38-102,785.06

Finding the Fourth Proportional to 243,219.62, 364,518.38 and 102,785.06

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Solution

The fourth proportional to 243,219.62, 364,518.38 and 102,785.06 is: 154,046.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,219.62 : 364,518.38 = 102,785.06 : x
  2. Step 2: Convert to fraction form
    243,219.62/364,518.38 = 102,785.06/x
  3. Step 3: Cross multiply
    243,219.62x = 364,518.38 × 102,785.06
  4. Step 4: Simplify right side
    243,219.62x = 37,467,043,559.40
  5. Step 5: Solve for x
    x = 37,467,043,559.40/243,219.62
  6. Step 6: Final answer
    x = 154,046.14

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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.