Home / 243,085.65-364,582.30-102,942.69

Finding the Fourth Proportional to 243,085.65, 364,582.30 and 102,942.69

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Solution

The fourth proportional to 243,085.65, 364,582.30 and 102,942.69 is: 154,394.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,085.65 : 364,582.30 = 102,942.69 : x
  2. Step 2: Convert to fraction form
    243,085.65/364,582.30 = 102,942.69/x
  3. Step 3: Cross multiply
    243,085.65x = 364,582.30 × 102,942.69
  4. Step 4: Simplify right side
    243,085.65x = 37,531,082,688.39
  5. Step 5: Solve for x
    x = 37,531,082,688.39/243,085.65
  6. Step 6: Final answer
    x = 154,394.48

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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.